SU162849A1 - - Google Patents
Info
- Publication number
- SU162849A1 SU162849A1 SU783408A SU783408A SU162849A1 SU 162849 A1 SU162849 A1 SU 162849A1 SU 783408 A SU783408 A SU 783408A SU 783408 A SU783408 A SU 783408A SU 162849 A1 SU162849 A1 SU 162849A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- dichloroethane
- phosphorus oxychloride
- lactone
- lactonization
- lactam
- Prior art date
Links
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 12
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 10
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 238000007273 lactonization reaction Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001261 hydroxy acids Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU162849A1 true SU162849A1 (cs) |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU162849A1 (cs) | ||
| SU558644A3 (ru) | Способ получени имидазолов или их солей | |
| SU793400A3 (ru) | Способ получени сложных эфиров или солей 5-гетероил-1,2-дигидро-3нпирроло-/1,2-а/ пиррол-1-карбоновой кислоты | |
| JPS6034954B2 (ja) | ３，４−メチレンジオキシマンデル酸の製造法 | |
| EP0156645A2 (en) | Process for the preparation of N1-methyl-10alpha-methoxylumilysergol and esters thereof, and intermediates for their preparation | |
| JPS6351156B2 (cs) | ||
| US4052402A (en) | Process for synthesizing codeinone from thebaine | |
| SU383302A1 (ru) | Способ получения производных цефалоспорановои | |
| SU1114336A3 (ru) | Способ получени сложных эфиров аповинкаминовой кислоты | |
| EA011409B1 (ru) | Способ получения морфологически чистой модификации "н" натеглинида | |
| US3155673A (en) | Process for preparing vitamin b | |
| KR840001187B1 (ko) | 3-티에닐 말론산의 제조방법 | |
| SU211539A1 (ru) | Способ получения несимметрично дизамёщенногокарбамида | |
| SU177896A1 (cs) | ||
| US3042707A (en) | Process for making esters of substituted polyhydronaphthalene acids | |
| PL98296B1 (pl) | Sposob otrzymywania estrow acetoksymetylowych cefalosporyn | |
| KR101170192B1 (ko) | 1,2-벤즈이속사졸-3-메탄술폰아미드의 원-포트 제조방법 | |
| SU249380A1 (ru) | Способ получения вещества «s» рейхштейна | |
| NO772019L (cs) | ||
| JP2000336084A (ja) | アスコルビン酸金属塩およびその前駆物質の製造方法 | |
| SU540867A1 (ru) | Способ получени цис- -диметил9-/3-(4-метил-1-пиперазинил)-пропилиден/-тиоксантен-2-сульфонамида | |
| CN120590353A (zh) | 一种6-戊基-2h-吡喃-2-酮的合成方法 | |
| SU309520A1 (ru) | СПОСОБ ПОЛУЧЕНИЯ-)-а-АМИНО-п- | |
| JPS6141358B2 (cs) | ||
| SU213879A1 (cs) |