Process for producing enyne derivatives

Details Process for producing enyne derivatives Process for producing enyne derivatives

1994-06-13

1995-08-08

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 51, 549 55, 564386, 564445, 564469, 564481, 564482, 564483, 564484, 564485, C07D33358, C07C20908, C07C20916

Patent

active

054400490

ABSTRACT:
A compound of the formula: ##STR1## wherein R.sup.11 is hydrogen, lower alkyl, haloloweralkyl, lower alkenyl, lower alkynyl or cycloalkyl and R.sup.21 is a group selected from the group consisting of: ##STR2## wherein R.sup.3 -R.sup.5, R.sup.31, R.sup.32, R.sup.41, R.sup.42 and R.sup.51 are as defined herein, and W is chlorine or bromine, is prepared by reacting a compound of the formula:

REFERENCES:
patent: 4914227 (1990-04-01), Miyano et al.
patent: 5231183 (1993-07-01), Nakagawa et al.
patent: 5296612 (1994-03-01), Nakagawa et al.
Geisler et al, Chemical Abstracts, vol. 63 (1965) 12999f.

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