Method of preparing E-4-acetoxy-2-methyl-2-butenal

Details Method of preparing E-4-acetoxy-2-methyl-2-butenal Method of preparing E-4-acetoxy-2-methyl-2-butenal

1979-01-08

1979-11-20

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

260601R, 560238, 560240, 560241, C07C 6728

Patent

active

041752040

ABSTRACT:
E-4-acetoxy-2-methyl-2-butenal is prepared by: (1) preparation of an intermediate allylic halide from isoprene; and (2) reaction of the allylic halide with dimethyl sulfoxide in the presence of a non-nucleophilic base to form the desired product.

REFERENCES:
patent: 2511870 (1950-06-01), Oroshnik
patent: 3213155 (1955-10-01), Schriesheim et al.
patent: 4048220 (1977-09-01), Cardenas
Babler et al., Tetrahedron Letters, 239 (1976).
Ganem, Tetrahedron Letters, 917-920 (1974).

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