Process for producing substituted vinyl pyridine derivatives

Details Process for producing substituted vinyl pyridine derivatives Process for producing substituted vinyl pyridine derivatives

1989-04-04

1990-12-25

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546255, 546256, 546268, 546270, 546283, 546330, 546333, 546337, 546342, 546343, 546344, C07D21328, C07D21357, C07D40106, C07D40506

Patent

active

049804782

ABSTRACT:
An improved process for producing a substituted vinyl pyridine compound of the general formula: ##STR1## wherein R.sup.1 is pyridyl group; R.sup.2 is an optionally substituted aromatic or heterocyclic group; R.sup.3 is a lower alkyl group, hydroxymethyl group, nitroxymethyl group, a nitrogen containing 5 membered ring-methyl group, an acetal-methyl group, a trialkylsilyloxymethyl group, an alkyl- or aryl-sulfonyloxymethyl group, an alkyl- or aryl-sulfonylaminocarbonyloxymethyl group, an acyloxymethyl group, an alkoxycarbonyloxymethyl group, a halogenomethyl group, an alkoxymethyl group, an aryl-oxymethyl group, cyano group, an optionally substituted carbamoyl group, an optionally substituted carbamoyloxymethyl group, an optionally substituted thiocarbamoyloxymethyl group, carboxyl group or an alkoxycarbonyl group; and n is an integer of 1 to 22, which comprises reacting a compound of the general formula: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, with a compound of the general formula:

REFERENCES:
patent: 4518602 (1985-05-01), Terao et al.

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