Process for preparing ketones using zinc acetate condensation ca

Details Process for preparing ketones using zinc acetate condensation ca Process for preparing ketones using zinc acetate condensation ca

Filed on

1978-08-10

Date issued

1979-09-25

Examiner

Morgenstern, Norman

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

260590E, 260592, 260593R, C07C 4500

Type

Patent

Status

active

Patent number

041691091

Description

ABSTRACT:
Described is a process for the production of alpha, beta unsaturated ketones by reaction of an aldehyde with a ketone in the presence of a catalyst consisting essentially of either zinc acetate or zinc acetate dihydrate. The ketones obtained are suitable and some cases as solvents and in some cases as intermediates for the production of valuable odorants, dyes, plastics and especially nature-identical substances and are also useful as odorants per se.

REFERENCES:
patent: 2357260 (1944-08-01), Joyce
patent: 2393510 (1946-01-01), Bailey et al.
patent: 2549508 (1951-04-01), Mottern
patent: 3248428 (1966-04-01), Porter et al.
patent: 3980716 (1976-09-01), Elliott
patent: 4005147 (1977-01-01), Fischer et al.
patent: 4086188 (1978-04-01), Reichle
"Organic Reactions", vol. 16, pp. 27-47, 69-78, 88, 115 and 177-et seq. (1968), John Wiley and Sons.

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