Certain intermediate 3-carbamoyloxyalkyl propiolic acid derivati

Details Certain intermediate 3-carbamoyloxyalkyl propiolic acid derivati Certain intermediate 3-carbamoyloxyalkyl propiolic acid derivati

1986-05-16

1990-04-03

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 33, 560 32, 560 39, 560115, 560159, 548300, 548348, 548352, 548356, 548455, 548465, 548482, 548491, 548518, 548568, 546153, 546157, 546175, 546190, 546193, 546194, 546201, 546205, 546210, 546211, 546233, 546247, 546261, 546273, 546278, 546279, 546281, 546284, 540544, 540575, 544121, 544124, 544128, 544130, 544131, 544139, 544140, 544141, 544143, 544162, 544165, 544168, 544357, 544360, 544370, 544371, 544372, 544400, C07C12506, C07D24306, C07D41312

Patent

active

049142275

ABSTRACT:
A process for preparing a 2-carbamoyloxyalkyl-1,4-dihydropyridine derivative represented by the general formula: ##STR1## which comprises: (a) reacting a 3-amino-3-carbamoyloxyalkylacrylic acid derivative represented by the general formula: ##STR2## with a benzylidene compound represented by the general formula: ##STR3## (b) reacting the 3-amino-3-carbamoyloxyalkylacrylic acid derivative of the general formula II with an aldehyde compound represented by the general formula: ##STR4## and a .beta.-keto-ester compound represented by the general formula:

REFERENCES:
patent: 4739106 (1988-04-01), Miyano et al.

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