Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1989-01-25
1990-03-06
Garner, Vivian
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
560174, 568394, C07C 69738
Patent
active
049064142
ABSTRACT:
New chlorinated .beta.-ketoesters of the formula: ##STR1## wherein R represents alkyl of 1 through 6 carbon atoms or alkenyl of 2 through 6 carbon atoms, and R.sub.1 represents alkyl of 1 through 4 carbon atoms, their preparation and their use for the preparation of ethylenic ketones of the formula: ##STR2## wherein R is as hereinbefore defined.
REFERENCES:
patent: 3277147 (1966-10-01), Machleidt et al.
Karrer, P. et al, Chem. Abstracts, 46:2550e, 1952.
Kosower et al, J. Organic Chemistry, 28, 630-33, 1963.
Tetrahedron Letters No. 40 (Oct. 1972), P. L. Slotter, pp. 4067-4070.
Garner Vivian
Rhone-Poulenc Sante
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