Process for the preparation of halo-aliphatic aldehydes

Details Process for the preparation of halo-aliphatic aldehydes Process for the preparation of halo-aliphatic aldehydes

1991-03-11

1991-12-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 47114

Patent

active

050774395

ABSTRACT:
Compounds of formula I ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl or benzyl, are prepared by reacting a butanal of formula II ##STR2## wherein X and Y are each independently of the other chloro, bromo or iodo, in an inert solvent, with a compound of formula III

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patent: 4909835 (1990-03-01), Tobler
patent: 4968836 (1990-11-01), Kanel et al.
patent: 5015780 (1991-05-01), Steiner et al.
Reuss et al. J. Org. Chem. vol. 39 #12 (1974).
Wong J. Org. Chem (1983) 3493-3497.
Bloch, Synthesis pp. 140-142 (1978).
Grundke Chem. Ber. 118 4288-4291 (1985).

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