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

1979-01-16

1980-05-27

Mars, Howard I.

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

Organic compounds

Oxygen containing

568496, 568483, 568486, C07C 4330

Patent

active

042051860

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), Starks
Freedman et al., Tetrahedron Letters, No. 38, pp. 3251-3254, 1975.
Starks, II, J.A.C.S., vol. 43, pp. 195-199, 1971.

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