Process for preparing substituted oxyacetaldehydes and acetals t

Details Process for preparing substituted oxyacetaldehydes and acetals t Process for preparing substituted oxyacetaldehydes and acetals t

1978-01-11

1978-11-07

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4706

Patent

active

041246446

ABSTRACT:
A process is described for the preparation of substituted oxyacetaldehydes and acetals thereof according to the reaction sequence: ##STR1## WHEREIN R.sub.1 and R.sub.2 are each lower alkyl or R.sub.1 and R.sub.2, taken together form a lower alkylene group; wherein R.sub.3 is alkyl, alkenyl or alkadienyl and X is halogen selected from the group consisting of chlorine and bromine, the reaction (i) being carried out (1) using a "phase transfer agent" and (2) in a two phase system.

REFERENCES:
patent: 2186630 (1940-01-01), Dickey et al.
patent: 2409015 (1946-10-01), Bordenca et al.
patent: 3931238 (1976-01-01), Stark
patent: 4010207 (1977-03-01), Hall
Freedman et al., "Tetrahedron Letters," No. 38, pp. 3251-3254 (1975).
Stark, "J. Amer. Chem. Society" [93:1] pp. 195-199.
K. Diefl et al., "Tetrahedron Letters," No. 15, pp. 1273-1275 (1973).
Shoruigin et al., "Chem. Abstract" vol. 29, pp. 7941-7946.

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