ES441329A1 - A procedure for preparation of a 1,2-difenylatanolamine derivative. (Machine-translation by Google Translate, not legally binding) - Google Patents
A procedure for preparation of a 1,2-difenylatanolamine derivative. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES441329A1 ES441329A1 ES441329A ES441329A ES441329A1 ES 441329 A1 ES441329 A1 ES 441329A1 ES 441329 A ES441329 A ES 441329A ES 441329 A ES441329 A ES 441329A ES 441329 A1 ES441329 A1 ES 441329A1
- Authority
- ES
- Spain
- Prior art keywords
- hydroxy
- formula
- procedure
- translation
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
A procedure for the preparation of new 1,2-diphenylethanolamine derivatives of the formula **(See formula)** where R1 and R2 are each hydrogen, halogen, nitro, hydroxy, alkyl of 1 to 5 carbon atoms or methoxy R3 is a group of formula: **(See formula)** where R4, R5 and R6 are each hydrogen, halogen or methoxy and n is an integer from 0 to 3, or pyridyl and Z is hydroxy or acyloxy; with the proviso that, when and/or R2 are hydroxy, Z is hydroxy, and its pharmaceutically acceptable acid addition salts; whose procedure consists of: a) reduce a compound of formula: **(See formula)** where R1, R2 and R3 are as defined above and optionally react the resulting compound where R1 and/or R2 are a group other than hydroxy with an acylating agent, b) optionally, resolving the compound obtained in the previous step into its erythro isomer and its threo isomer. c) optionally, resolving the erythro isomer obtained in the previous step, into its d-erythro isomer and its-1-erythro isometer. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES441329A ES441329A1 (en) | 1975-09-26 | 1975-09-26 | A procedure for preparation of a 1,2-difenylatanolamine derivative. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES441329A ES441329A1 (en) | 1975-09-26 | 1975-09-26 | A procedure for preparation of a 1,2-difenylatanolamine derivative. (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES441329A1 true ES441329A1 (en) | 1977-08-16 |
Family
ID=8470062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES441329A Expired ES441329A1 (en) | 1975-09-26 | 1975-09-26 | A procedure for preparation of a 1,2-difenylatanolamine derivative. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES441329A1 (en) |
-
1975
- 1975-09-26 ES ES441329A patent/ES441329A1/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19840521 |