CN1073167A - 制备氨基甲酸卤代炔丙酯的方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 150000004657 carbamic acid derivatives Chemical class 0.000 title claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- -1 alkali metal cyanate Chemical class 0.000 claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- SEVNKWFHTNVOLD-UHFFFAOYSA-L copper;3-(4-ethylcyclohexyl)propanoate;3-(3-ethylcyclopentyl)propanoate Chemical compound [Cu+2].CCC1CCC(CCC([O-])=O)C1.CCC1CCC(CCC([O-])=O)CC1 SEVNKWFHTNVOLD-UHFFFAOYSA-L 0.000 claims abstract description 10
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 claims abstract description 9
- GILKVTZWTVOGJV-UHFFFAOYSA-N 1-iodoprop-2-yn-1-ol Chemical compound OC(I)C#C GILKVTZWTVOGJV-UHFFFAOYSA-N 0.000 claims abstract description 7
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical group [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims abstract description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 3
- 150000003983 crown ethers Chemical class 0.000 claims abstract description 3
- 125000005207 tetraalkylammonium group Chemical group 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 7
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 claims description 7
- 150000001345 alkine derivatives Chemical class 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229910052740 iodine Inorganic materials 0.000 claims description 6
- 229910052794 bromium Inorganic materials 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 150000002825 nitriles Chemical group 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000000304 alkynyl group Chemical group 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- CEBKHWWANWSNTI-UHFFFAOYSA-N 2-methylbut-3-yn-2-ol Chemical compound CC(C)(O)C#C CEBKHWWANWSNTI-UHFFFAOYSA-N 0.000 claims 2
- 230000026030 halogenation Effects 0.000 claims 2
- 238000005658 halogenation reaction Methods 0.000 claims 2
- 150000002431 hydrogen Chemical group 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 abstract description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 150000004820 halides Chemical class 0.000 abstract description 3
- 239000003444 phase transfer catalyst Substances 0.000 abstract description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical class OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- MPPPKRYCTPRNTB-UHFFFAOYSA-N 1-bromobutane Chemical compound CCCCBr MPPPKRYCTPRNTB-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000012230 colorless oil Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 150000001350 alkyl halides Chemical class 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- YLGZRMLFAGSRHM-UHFFFAOYSA-N dodecanoic acid;tin Chemical compound [Sn].CCCCCCCCCCCC(O)=O YLGZRMLFAGSRHM-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 150000002314 glycerols Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- HNHVTXYLRVGMHD-UHFFFAOYSA-N n-butyl isocyanate Chemical compound CCCCN=C=O HNHVTXYLRVGMHD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- QSSXJPIWXQTSIX-UHFFFAOYSA-N 1-bromo-2-methylbenzene Chemical compound CC1=CC=CC=C1Br QSSXJPIWXQTSIX-UHFFFAOYSA-N 0.000 description 1
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 description 1
- MLRVZFYXUZQSRU-UHFFFAOYSA-N 1-chlorohexane Chemical compound CCCCCCCl MLRVZFYXUZQSRU-UHFFFAOYSA-N 0.000 description 1
- SQCZQTSHSZLZIQ-UHFFFAOYSA-N 1-chloropentane Chemical compound CCCCCCl SQCZQTSHSZLZIQ-UHFFFAOYSA-N 0.000 description 1
- WGCICQJXVYFFCA-UHFFFAOYSA-N 3-iodoprop-1-yne Chemical compound ICC#C WGCICQJXVYFFCA-UHFFFAOYSA-N 0.000 description 1
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical group ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- BHELZAPQIKSEDF-UHFFFAOYSA-N allyl bromide Chemical compound BrCC=C BHELZAPQIKSEDF-UHFFFAOYSA-N 0.000 description 1
- HFEHLDPGIKPNKL-UHFFFAOYSA-N allyl iodide Chemical compound ICC=C HFEHLDPGIKPNKL-UHFFFAOYSA-N 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- AJSHDAOMUKXVDC-UHFFFAOYSA-N butan-1-amine;sulfuric acid Chemical compound CCCC[NH3+].OS([O-])(=O)=O AJSHDAOMUKXVDC-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- KMGBZBJJOKUPIA-UHFFFAOYSA-N butyl iodide Chemical compound CCCCI KMGBZBJJOKUPIA-UHFFFAOYSA-N 0.000 description 1
- 230000021235 carbamoylation Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000002083 iodinating effect Effects 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- XJTQJERLRPWUGL-UHFFFAOYSA-N iodomethylbenzene Chemical compound ICC1=CC=CC=C1 XJTQJERLRPWUGL-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229940031815 mycocide Drugs 0.000 description 1
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- YORCIIVHUBAYBQ-UHFFFAOYSA-N propargyl bromide Chemical compound BrCC#C YORCIIVHUBAYBQ-UHFFFAOYSA-N 0.000 description 1
- 238000002390 rotary evaporation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/02—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C271/14—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C271/12—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
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- Chemical & Material Sciences (AREA)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
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Abstract
制备氨基甲酸卤代炔丙酯的方法,它避免了使用
光气作原料,在催化剂存在下卤代炔丙醇与烷基卤和
碱金属氰酸盐反应。适合的催化剂是任何促进所需
反应进行的催化剂,特别是相转移催化剂。优选的催
化剂是选自四烃基卤化铵、四烃基硫酸铵和冠醚中的
一种或几种,特别优选的催化剂是四丁基溴化铵。优
选的醇是选自炔丙醇、1,1-二甲基炔丙醇或碘代炔
丙醇中的一种或几种,碘代炔丙醇是特别优选的。与
前述Prashad的文章中的提示相反,这些一元醇能获
得好的产率。氨基甲酸正丁基碘代炔丙酯是本发明
新方法中特别优选的产物。
Description
本发明涉及制备氨基甲酸卤代炔丙酯的化学方法领域。
Polyphase
杀真菌剂是近来市场上主要杀霉剂的一种。其活性成份是氨基甲酸正丁基碘代炔丙酯。
Troy化学公司的美国专利U.S.3923870公开了制备氨基甲酸正丁基碘代炔丙酯的可能的商业方法。1990年6月6日出版的ICI欧洲专利申请0014032公开了使炔醇与异氰酸酯反应然后碘化的方法。Troy和ICI公司公开的方法所使用的异氰酸丁酯可能由丁胺与光气反应得到。异氰酸酯通常是毒性的和接触危险物质。1989年6月23日公开的Troy公司更新的方法专利GB2220000公开了用氯甲酸烷炔酯作起始原料的方法,该原料可能是由炔丙醇与光气反应得到。氯甲酸烷炔酯也是毒性的、不稳定的和有危险的。它可能由光气制得。尽管光气是一种便宜的原料,它也是非常危险的物质。氨基甲酸正丁基碘代炔丙酯的造价可能主要受光气安全操作影响。
根据Prashad等人在Synthsis Papers,1989,477,“使用相转移催化剂使对称二醇与烷基卤化物和氰酸钾的选择性单甲氨酰化”中的报导,异氰酸酯可以在相转移剂存在下使氰酸钾和烷基卤化物反应,并与醇(优选二醇)直接反应制得氨基甲酸酯就地制成。本申请不研究炔丙醇。
本发明的目的是提供一种改进的氨基甲酸卤代炔丙酯的制备方法。进一步的目的是提供这样一种方法,其中不需接触光、气或异氰酸丁酯。氨基甲酸正丁基碘代炔丙酯也是本发明一优选实施方案的目的。本发明更进一步的目的是提供一种方法,其中不需要现有方法中所使用的危险原料。
由下面的说明变得显而易见的这些和其它目的可以通过本发明实现,一方面本发明包括制备氨基甲酸卤代炔丙酯化合物的方法,该方法包括将
(A)下式的醇
其中R2和R3各自独立地选自H和(C1~C4)烷基,并且X是H、Br或碘;与
(B)下式的烷基卤
其中R1选自(C1~C8)烷基、(C3~C8)链烯基、(C3~C8)炔基和苄基
其中X1选自Cl、Br、I、OSO2R4
其中R4代表(C1~C4)烷基、苯基和被一个或多个选自甲基、Cl和NO2取代基取代的苯基;和
(C)式MOCN的碱金属氰酸盐,
其中M选自K、Na和Li;
在催化剂存在下反应。
本发明方法优选在惰性溶剂中进行,例如腈、酯、酮和DMF等。
适合的催化剂是任何促进所需反应的催化剂,特别是相转移催化剂。优选的催化剂是选自四烃基卤化铵、四烃基硫酸铵和冠醚中的一种或多种。特别优选的催化剂是四丁基溴化铵。
优选的醇是选自炔丙醇、1,1-二甲基炔丙醇或碘代炔丙醇中的一种或多种,碘代炔丙醇是特别优选的。与上述Prashad的文章中的提示相反,这些一元醇能得到好的产率。
一种优选的方法包括生成下式的氨基甲酸酯中间体
并在碱存在下使所述氨基甲酸酯中间体与卤素或卤素释放物反应。在这种情况下,醇是炔丙醇而不是卤代炔丙醇。
适合的碱包括NaOH、KOH、Na2CO3和K2CO3等。
适合的卤素或卤素释放物是Cl2、I2、Br2和1,3-二溴-5,5-二甲基乙内酰脲等。I2是优选的。
由卤代炔丙醇开始,该反应可一步完成而不需生成所述中间体。在本发明方法一步反应的情况下,优选的醇是碘代炔丙醇,优选的烷基卤是丁基卤化物,优选的氨基甲酸卤代炔丙酯化合物是氨基甲酸正丁基碘代炔丙酯,所得产物当然是氨基甲酸正丁基碘代炔丙酯。
优选的烷基卤包括正丁基溴,正丁基氯,正丁基碘和磺酸酯。其它适合的烷基卤是碘甲烷、碘乙烷、正丙基氯、正丙基溴、苄基氯、苄基溴、苄基碘,正戊基氯,正己基氯,炔丙基溴,炔丙基碘,烯丙基氯,烯丙基溴和烯丙基碘。
反应温度从低于室温到反应混合物中最低沸点成分的沸点都适合;对于两步反应的方法,优选的反应温度是,第一步大约25℃~100℃,第二步大约0℃至30℃。对于一步反应的方法,优选的反应温度是大约25℃~100℃。
反应最好在惰性溶剂存在下进行,例如腈、酯、酮和DMF,DMF是优选的。
下面的例子说明了本发明的几个具体实施例;但是本发明并不局限于此。
实施例Ⅰ
氨基甲酸正丁基炔丙酯的合成:
在氮气氛下将在乙腈(45ml)中的正丁基溴(8.8g,0.064mole)、炔丙醇(3g,0.054mole)、氰化钾(6.5g,0.08mole)和四丁基溴化铵(1.7g,0.005mole)的混合物在72℃加热22小时。滤出不溶性沉淀物,滤液在旋转蒸发器上浓缩得到黄色的油(6.7g)。进行柱色谱(硅胶,15/85乙酸乙酯/己烷)得到无色油状氨基甲酸正丁基炔丙酯(4.4g,53%)。NMR(CDCl3,ppm);4.75(2H,s),3.2(2H,m),2.5(1H,s),1.4(4H,m),1.0(3H,t);GC/MS(m/e):155(M+),112(100%),74,57,56。
实施例Ⅱ
氨基甲酸正丁基炔丙酯的碘化作用
在0~5℃,分批向搅拌着的在乙醇(25mL),水(10mL)和50%氢氧化钠(2.1g,0.026mole)中的氨基甲酸正丁基炔丙酯(4.0g,0.026mole)的溶液中加入碘(3.3g,0.013mole)。加完碘后,将反应混合物在相同的温度下再搅拌5分钟。然后向上述溶液中滴加市售漂白剂(18.3g,5.25%,0.013mole),使温度保持在0~5℃。加完漂白剂后,在相同温度下,将浅黄色溶液再搅拌一小时。用二氯甲烷(2×70ml)萃取,用旋转蒸发器蒸发溶剂得到结晶状残余物(6.0g,82.7%)。用己烷/甲苯结晶得到针状氨基甲酸正丁基碘代炔丙酯;熔点60~62℃。NMR(CDCl3,ppm):4.85(2H,s),4.8(1H,s),3.2(2H,t),1.5(2H,m),1.4(2H,m),1.0(3H,t)。
实施例Ⅲ
氨基甲酸正丁基炔丙酯的制备
向搅拌着的在DMF(50mL)中的KOCN(6.5g,0.080mole)和四丁基硫酸氢铵(1.8g,0.005mole)的悬浮液中加入正丁基溴(8.8g,0.064mole)和炔丙醇(3.0g,0.054mole)。加入几滴二丁锡化甘油二月桂酸酯(dibutyltin dilaurate)。室温下将混合物搅拌40小时,然后在70℃在氮气氛下加热7小时。过滤后,将滤液旋转蒸发除去DMF。色谱分离油状残留物(6.1g)(硅胶,25/75乙酸乙酯/己烷)得到无色油状氨基甲酸酯(2.8g,33.8%)。
实施例Ⅳ
氨基甲酸正丁基炔丙酯的制备:
在氮气氛下,在70℃将在乙腈(50mL)中的正丁基溴(7.3g,0.053mole)、炔丙醇(3.6g,0.064mole)、KOCN(4.3g,0.053mole)、四丁基溴化铵(1.7g,0.005mole)和二丁锡化甘油二月桂酸酯(5滴)的混合物加热22小时。将固体滤掉,滤液在旋转蒸发器上干燥得到黄色的油(6.0g)。进行柱色谱(硅胶,30/70乙酸乙酯/己烷)得到无色油状氨基甲酸酯(3.5g,42.4%产率)。
尽管详细描述了本发明,但是对于本领域熟练技术人员来说,在不背离下述权利要求书中所述的本发明精神和范围的条件下进行各种修改和改变是显而易见的。
Claims (14)
2、根据权利要求1的方法,其中所述催化剂选自烃基卤化铵、四烃基硫酸铵和冠醚。
3、根据权利要求2的方法,其中所述催化剂是四丁基溴化铵。
4、根据权利要求1的方法,其中所述醇(A)选自炔丙醇、碘代炔丙醇和1,1-二甲基炔丙醇。
6、根据权利要求5的方法,其中所述卤化作用包括在碱存在下,使所述氨基甲酸酯中间体与卤素或卤素释放物反应。
7、根据权利要求6的方法,其中所述的碱选自NaOH、KOH、Na2CO3和K2CO3。
8、根据权利要求6的方法,其中所述卤素或卤素释放物选自Cl2、I2、Br2和1,3-二溴-5,5-二甲基乙内酰脲。
9、根据权利要求5的方法,其中所述氨基甲酸酯中间体是氨基甲酸正丁基炔丙酯。
10、根据权利要求8的方法,其中所述卤素或卤素释放物是I2,且氨基甲酸卤代炔丙酯产物是氨基甲酸正丁基碘代炔丙酯。
11、根据权利要求1的方法,其中X是I或Br,且所述氨基甲酸卤代炔丙酯化合物是一步法制备的。
12、根据权利要求1的方法,其中所述醇是碘代炔丙醇,所述烷基卤是丁基卤,所述氨基甲酸卤代炔丙酯化合物是氨基甲酸正丁基碘代炔丙酯。
13、根据权利要求1的方法,其中所述反应是在惰性溶剂存在下进行的。
14、根据权利要求12的方法,其中所述溶剂选自腈、酯、酮和DMF。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78203991A | 1991-10-24 | 1991-10-24 | |
| US782,039 | 1991-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1073167A true CN1073167A (zh) | 1993-06-16 |
Family
ID=25124758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92113788A Pending CN1073167A (zh) | 1991-10-24 | 1992-10-23 | 制备氨基甲酸卤代炔丙酯的方法 |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0539092A1 (zh) |
| JP (1) | JPH0625139A (zh) |
| KR (1) | KR930007897A (zh) |
| CN (1) | CN1073167A (zh) |
| BR (1) | BR9204069A (zh) |
| CA (1) | CA2080540A1 (zh) |
| MX (1) | MX9206027A (zh) |
| TW (1) | TW213444B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516032C (zh) * | 2007-03-01 | 2009-07-22 | 江苏安邦电化有限公司 | 一种高纯度炔丙基正丁氨基甲酸酯的制备方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326899A (en) * | 1993-06-14 | 1994-07-05 | Rohm And Haas Company | Process for preparation of iodopropargyl carbamates |
| US5321151A (en) * | 1993-06-14 | 1994-06-14 | Rohm And Haas Company | Process for preparation of iodopropargyl carbamates |
| EP0629610A3 (en) * | 1993-06-14 | 1995-04-12 | Rohm & Haas | Process for the preparation of iodopropargyl carbamates. |
| US5554784A (en) * | 1994-07-08 | 1996-09-10 | Gruening; Rainer | Process for preparing iodoalkynylcarbamates having a low tendency of yellowing when exposed to light |
| US5693849A (en) * | 1996-10-30 | 1997-12-02 | Troy Corporation | Aqueous synthesis of iodopropargyl carbamate |
| KR101202668B1 (ko) * | 2012-07-25 | 2015-04-20 | 국방과학연구소 | 복합화약용 에스테르계 반응성 가소제 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2533331B2 (ja) * | 1986-08-26 | 1996-09-11 | 住友化学工業株式会社 | カ―バメイト誘導体およびそれを有効成分とする農園芸用殺菌剤 |
| US4868319A (en) * | 1987-12-22 | 1989-09-19 | Sandoz Pharm. Corp. | Process for the preparation of monoalkylcarbamate group-containing compounds |
-
1992
- 1992-10-14 CA CA002080540A patent/CA2080540A1/en not_active Abandoned
- 1992-10-15 EP EP92309391A patent/EP0539092A1/en not_active Withdrawn
- 1992-10-19 JP JP4304413A patent/JPH0625139A/ja not_active Withdrawn
- 1992-10-20 BR BR929204069A patent/BR9204069A/pt not_active Application Discontinuation
- 1992-10-20 MX MX9206027A patent/MX9206027A/es not_active IP Right Cessation
- 1992-10-23 CN CN92113788A patent/CN1073167A/zh active Pending
- 1992-10-23 KR KR1019920019569A patent/KR930007897A/ko not_active Ceased
- 1992-11-27 TW TW081109502A patent/TW213444B/zh active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516032C (zh) * | 2007-03-01 | 2009-07-22 | 江苏安邦电化有限公司 | 一种高纯度炔丙基正丁氨基甲酸酯的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0625139A (ja) | 1994-02-01 |
| EP0539092A1 (en) | 1993-04-28 |
| KR930007897A (ko) | 1993-05-20 |
| BR9204069A (pt) | 1993-06-01 |
| CA2080540A1 (en) | 1993-04-25 |
| TW213444B (zh) | 1993-09-21 |
| MX9206027A (es) | 1993-04-01 |
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