GB945536A - Method of preparing ª -amino-acroleins - Google Patents
Method of preparing ª -amino-acroleinsInfo
- Publication number
- GB945536A GB945536A GB1510462A GB1510462A GB945536A GB 945536 A GB945536 A GB 945536A GB 1510462 A GB1510462 A GB 1510462A GB 1510462 A GB1510462 A GB 1510462A GB 945536 A GB945536 A GB 945536A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- alkyl
- acroleins
- amino
- aryl
- 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)
Abstract
Beta-amino-acroleins of the formula: <FORM:0945536/C2/1> wherein R1, R2 and R3 may independently represent hydrogen or an alkyl or aryl group are prepared by reacting formamide or an N-alkyl or N-aryl derivative thereof of the formula: <FORM:0945536/C2/2> with phosgene, a phosphorus halide or a phosphorus oxyhalide to form a first intermediate reaction product, reacting the latter with an acetal of the formula: <FORM:0945536/C2/3> (where R4 and R5 independently represent alkyl or aryl groups) or with a vinyl alkyl or vinyl aryl ether of the formula: CH2:CR1-OR4 to form a second intermediate reaction product, which is then hydrolyzed, e.g. with alkali metal carbonate solution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1639861 | 1961-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB945536A true GB945536A (en) | 1964-01-02 |
Family
ID=11148854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1510462A Expired GB945536A (en) | 1961-09-08 | 1962-04-18 | Method of preparing ª -amino-acroleins |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB945536A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0363934A1 (en) * | 1988-10-13 | 1990-04-18 | Sandoz Ag | Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives thereof |
US5118853A (en) * | 1988-10-13 | 1992-06-02 | Sandoz Ltd. | Processes for the synthesis of 3-disubstituted aminoacroleins |
US5290946A (en) * | 1988-10-13 | 1994-03-01 | Sandoz Ltd. | Processes for the synthesis of 3-(substituted indolyl-2-yl)propenaldehydes |
EP1477474A1 (en) * | 2003-05-13 | 2004-11-17 | Clariant Life Science Molecules (Italia) SpA | Process for the synthesis of N-methyl-N-phenylaminoacrolein |
-
1962
- 1962-04-18 GB GB1510462A patent/GB945536A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0363934A1 (en) * | 1988-10-13 | 1990-04-18 | Sandoz Ag | Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives thereof |
WO1990003962A1 (en) * | 1988-10-13 | 1990-04-19 | Sandoz Ag | Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives and intermediates thereof |
US5118853A (en) * | 1988-10-13 | 1992-06-02 | Sandoz Ltd. | Processes for the synthesis of 3-disubstituted aminoacroleins |
US5290946A (en) * | 1988-10-13 | 1994-03-01 | Sandoz Ltd. | Processes for the synthesis of 3-(substituted indolyl-2-yl)propenaldehydes |
EP1477474A1 (en) * | 2003-05-13 | 2004-11-17 | Clariant Life Science Molecules (Italia) SpA | Process for the synthesis of N-methyl-N-phenylaminoacrolein |
US7091382B2 (en) | 2003-05-13 | 2006-08-15 | Clariant Life Science Molecules (Italia) S.P.A. | Synthesis of N-methyl-N-phenylaminoacrolein |
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