TH4094B - The process of preparing some entomers of alpha-cyano-3-phenoxin-4-fluorobenzylpermethate. - Google Patents
The process of preparing some entomers of alpha-cyano-3-phenoxin-4-fluorobenzylpermethate.Info
- Publication number
- TH4094B TH4094B TH8601000305A TH8601000305A TH4094B TH 4094 B TH4094 B TH 4094B TH 8601000305 A TH8601000305 A TH 8601000305A TH 8601000305 A TH8601000305 A TH 8601000305A TH 4094 B TH4094 B TH 4094B
- Authority
- TH
- Thailand
- Prior art keywords
- alpha
- cyano
- alcohol
- set out
- carbon atoms
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 6
- 239000000203 mixture Substances 0.000 claims abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract 5
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract 4
- 150000003973 alkyl amines Chemical class 0.000 claims abstract 3
- 125000000217 alkyl group Chemical group 0.000 claims abstract 2
- 238000004090 dissolution Methods 0.000 claims abstract 2
- 238000002360 preparation method Methods 0.000 claims abstract 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 2
- NJBCRXCAPCODGX-UHFFFAOYSA-N 2-methyl-n-(2-methylpropyl)propan-1-amine Chemical compound CC(C)CNCC(C)C NJBCRXCAPCODGX-UHFFFAOYSA-N 0.000 claims 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 abstract 2
- -1 Alpha-cyano-3-phenoxy-4-fluorobenzyl Chemical group 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Abstract
กระบวนการเตรียมของผสมที่ส่วนใหญ่ประกอบด้วย b) 1R-3R-แอลฟา S +1S-3S-แอลฟา R และ a) 1R-3S-แอลฟาS + 1S-3R-แอลฟา R เอนแอนทิโอเมอร์ของ แอลฟา-ไซยาโน-3-เฟนนอกซี-4-ฟลูออโรเบนซิล เปอร์มีเธรท ซึ่งกระบวนการนี้ประกอบด้วย การละลายของผสมของสเตอริโอไอโซเมอร์ทั้ง 8 ชนิดของ แอลฟา-ไซยาโน-3-เฟนนอกซี-4-ฟลูออโลเบนซิลเปอร์มีเธรทในอัลกอฮอล์ที่มีคาร์บอน 2 ถึง 4 อะตอม เติมอัลคิลอามีนประเภทเซคคันดารี หรือเทอร์เชียรีที่มีคาร์บอน 2-6 อะตอมเข้าไปยังส่วนที่เป็นอัลคิลแต่ละส่วน แล้วปล่อยให้สารทั้งหมดนั้นตกผลึกโดยวิธีนี้ของผสมของเอนแอนทิโอเมอร์ดังหัวข้อ b) และ d) ที่ต้องการจะตกผลึกออกมาจากสารละลาย The preparation process of the mixture mainly consists of b) 1R-3R-alpha S +1S-3S-alpha R and a) 1R-3S-alphaS + 1S-3R-alpha R enantiomers of Alpha-cyano-3-phenoxy-4-fluorobenzyl permethrate, which consists of Dissolution of mixtures of all 8 stereoisomers of alpha-cyano-3-phenoxy-4-flulobenzylpermethate in alcohol containing 2 to 4 carbon atoms added to seckandari alkylamines. or tertiary containing 2-6 carbon atoms into each alkyl fraction. Then allow all the substance to crystallize. By this method, mixtures of enantiomers listed in sections b) and d) are required to be crystallized out of the solution.
Claims (5)
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TH3796A TH3796A (en) | 1987-01-02 |
| TH4094B true TH4094B (en) | 1994-10-31 |
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