1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes

Details 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes

1987-07-01

1989-06-27

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 1, 560112, 560121, 560122, 549375, 549454, C07C 6702

Patent

active

048431710

ABSTRACT:
1,1-Dialkoxy-2-methyl-4,4-diacyloxy-2-butenes having the general structure: ##STR1## in which R.sub.1 represents alkyl substituents having from 1 to 5 carbon atoms, or both R.sub.1 substituents together represent a single ethylene or propylene substituent, or a single C.sub.1 -C.sub.2 alkyl substituent, and R.sub.2 represents alkyl substituents having from 1 to 5 carbon atoms, or cycloalkyl substituent having from 5 to 7 carbon atoms, or aromatic substituents (preferably phenyl substituents). These new compounds are useful as building blocks in the synthesis of terpenes and carotenoids.

REFERENCES:
patent: 3639437 (1972-02-01), Fischer et al.
patent: 4410719 (1983-10-01), Fischer et al.

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