RU2010100361A - METHOD FOR PRODUCING 6,7-SUBSTITUTED 2,3,5,8-TETRAGHYDROXY-1,4-NAPHOKHINONES (SPINAZARINES) AND INTERMEDIATE COMPOUNDS USED IN THIS METHOD - Google Patents
METHOD FOR PRODUCING 6,7-SUBSTITUTED 2,3,5,8-TETRAGHYDROXY-1,4-NAPHOKHINONES (SPINAZARINES) AND INTERMEDIATE COMPOUNDS USED IN THIS METHOD Download PDFInfo
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- RU2010100361A RU2010100361A RU2010100361/04A RU2010100361A RU2010100361A RU 2010100361 A RU2010100361 A RU 2010100361A RU 2010100361/04 A RU2010100361/04 A RU 2010100361/04A RU 2010100361 A RU2010100361 A RU 2010100361A RU 2010100361 A RU2010100361 A RU 2010100361A
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- oet
- ome
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- 150000001875 compounds Chemical class 0.000 title claims abstract 15
- 238000000034 method Methods 0.000 title claims abstract 11
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims abstract 10
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims abstract 4
- 238000010992 reflux Methods 0.000 claims abstract 4
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract 4
- 239000000543 intermediate Substances 0.000 claims abstract 3
- UQKYJIBXSZWKOX-UHFFFAOYSA-N O.C(=O)O.CS(=O)C Chemical compound O.C(=O)O.CS(=O)C UQKYJIBXSZWKOX-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000005903 acid hydrolysis reaction Methods 0.000 claims abstract 2
- 239000007864 aqueous solution Substances 0.000 claims abstract 2
- 238000009835 boiling Methods 0.000 claims abstract 2
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 2
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims abstract 2
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 claims abstract 2
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000243 solution Substances 0.000 claims abstract 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
1. Способ получения 6,7-замещенных-2,3,5,8-тетрагидрокси-1,4-нафтохинонов (спиназаринов) формулы I, ! ! где R1 и R2 оба одновременно обозначают H, Me, Cl или ! R1=H, а R2=Me, Et, t-Bu, Cl, OMe, OEt; ! R1=Me, а R2=H, Cl, OMe, OEt, OH; ! R1=Et, а R2=H, Cl, OMe, OEt, OH; ! включающий следующие стадии: а) взаимодействие 6,7-замещенных соединений формулы II, ! ! где R1 и R2 определены выше, ! с избытком азотистокислого натрия, с получением соединения формулы III, ! ! где R1 и R2 оба одновременно обозначают H, Me, Cl; ! или R1=H, а R2=Me, Et, t-Bu, Cl, OMe, OEt; ! или R2=H, а R1=Me, Et, t-Bu, Cl, OMe, OEt; ! или R1=Me, а R2=H, Cl, OMe, OEt, OH; ! или R2=Me, а R1=H, Cl, OMe, OEt, OH; ! или R1=Et, а R2=H, Cl, OMe, OEt, OH; !или R2=Et, а R1=H, Cl, OMe, OEt, OH, ! причем для соединений у которых R1≠R2 обычно образуются смеси изомеров ! b) взаимодействие соединения III с восстановителем с образованием соединения формулы IV, ! ! где R1 и R2 определены выше, ! c) превращение полученного в результате восстановления соединения формулы IV в соединение формулы I путем кислотно-катализируемого гидролиза. ! 2. Способ по п.1, отличающийся тем, что стадию а) проводят путем взаимодействия соединения формулы II с 5-6-кратным избытком азотистокислого натрия в смеси ацетон-метанол при температуре кипения с обратным холодильником. ! 3. Способ по п.1, отличающийся тем, что для соединений формулы II, в которых R1 или R2=OH стадию а) проводят в среде диметилформамида или диметилсульфоксида при температуре 15-60°C. ! 4. Способ по п.1, отличающийся тем, что стадию b) проводят в водном растворе. ! 5. Способ по п.1, отличающийся тем, что стадию c) проводят в растворе диметилсульфоксид-вода-муравьиная кислота при температуре 90-110°C, предпочтительно при температуре кипения с обратным холодильником. ! 6. Промежуточные соединения формулы III ! 1. The method of obtaining 6,7-substituted-2,3,5,8-tetrahydroxy-1,4-naphthoquinones (spinazarins) of the formula I,! ! where R1 and R2 are both H, Me, Cl or! R1 = H, and R2 = Me, Et, t-Bu, Cl, OMe, OEt; ! R1 = Me, and R2 = H, Cl, OMe, OEt, OH; ! R1 = Et, and R2 = H, Cl, OMe, OEt, OH; ! comprising the following steps: a) reaction of 6,7-substituted compounds of formula II,! ! where R1 and R2 are defined above,! with an excess of sodium nitrite, to obtain the compounds of formula III,! ! where R1 and R2 are both H, Me, Cl; ! or R1 = H, and R2 = Me, Et, t-Bu, Cl, OMe, OEt; ! or R2 = H, and R1 = Me, Et, t-Bu, Cl, OMe, OEt; ! or R1 = Me, and R2 = H, Cl, OMe, OEt, OH; ! or R2 = Me, and R1 = H, Cl, OMe, OEt, OH; ! or R1 = Et, and R2 = H, Cl, OMe, OEt, OH; ! or R2 = Et, and R1 = H, Cl, OMe, OEt, OH,! moreover, for compounds in which R1 ≠ R2 mixtures of isomers are usually formed! b) reacting compound III with a reducing agent to form a compound of formula IV,! ! where R1 and R2 are defined above,! c) converting the resulting reduction of a compound of formula IV into a compound of formula I by acid-catalyzed hydrolysis. ! 2. The method according to claim 1, characterized in that stage a) is carried out by reacting a compound of formula II with a 5-6-fold excess of sodium nitrite in an acetone-methanol mixture at reflux temperature. ! 3. The method according to claim 1, characterized in that for compounds of formula II in which R1 or R2 = OH stage a) is carried out in a medium of dimethylformamide or dimethyl sulfoxide at a temperature of 15-60 ° C. ! 4. The method according to claim 1, characterized in that stage b) is carried out in an aqueous solution. ! 5. The method according to claim 1, characterized in that stage c) is carried out in a solution of dimethyl sulfoxide-water-formic acid at a temperature of 90-110 ° C, preferably at a boiling temperature under reflux. ! 6. Intermediates of formula III!
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010100361/04A RU2437870C2 (en) | 2010-01-11 | 2010-01-11 | Method of producing 6,7-substituted 2,3,5,8-tetrahydroxy-1,4-naphoquinones (spinazarins) and intermediate compounds used in said method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010100361/04A RU2437870C2 (en) | 2010-01-11 | 2010-01-11 | Method of producing 6,7-substituted 2,3,5,8-tetrahydroxy-1,4-naphoquinones (spinazarins) and intermediate compounds used in said method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010100361A true RU2010100361A (en) | 2011-07-20 |
| RU2437870C2 RU2437870C2 (en) | 2011-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010100361/04A RU2437870C2 (en) | 2010-01-11 | 2010-01-11 | Method of producing 6,7-substituted 2,3,5,8-tetrahydroxy-1,4-naphoquinones (spinazarins) and intermediate compounds used in said method |
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| RU (1) | RU2437870C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2478607C1 (en) * | 2012-03-01 | 2013-04-10 | Федеральное государственное бюджетное учреждение науки Тихоокеанский институт биоорганической химии им. Г.Б. Елякова Дальневосточного отделения Российской академии наук (ТИБОХ ДВО РАН) | Method of producing 6,7-substituted 2,3,5,8-tetrahydroxy-1,4-naphthoquinones (spinazarins) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2022959C1 (en) * | 1990-08-27 | 1994-11-15 | Тихоокеанский институт биоорганической химии Дальневосточного отделения РАН | Method of synthesis of substituted 2,3,5,8-tetrahydroxy-1,4-naphthoqionones |
| RU2352554C1 (en) * | 2007-08-20 | 2009-04-20 | Тихоокеанский Институт Биоорганической Химии Дальневосточного Отделения Российской Академии Наук (Тибох Дво Ран) | Method of obtaining 2,3,5,7,8-pentahydroxy-6-ethyl-1,4-naphtoquinone |
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2010
- 2010-01-11 RU RU2010100361/04A patent/RU2437870C2/en active
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| Publication number | Publication date |
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| RU2437870C2 (en) | 2011-12-27 |
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