Method of preparing .beta.-halo esters from cyclic acetals

Details Method of preparing .beta.-halo esters from cyclic acetals Method of preparing .beta.-halo esters from cyclic acetals

1980-08-08

1981-12-08

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560 87, 560111, 560197, 560223, 560266, C07C 6974, C07C 6978, C07C 6982, C07C 6934, C07C 6952

Patent

active

043049214

ABSTRACT:
Beta-halo esters, such as .beta.-haloalkyl benzoates or terephthalates, are prepared by halogenative cleavage of cyclic acetals using trimethyl phosphate (TMP) or borate to mediate the reaction. The .beta.-halo esters, which are obtained in high yields, can be used to form polymers or plasticizers. Neuromuscular blocking agents such as succinylcholine and related compounds can also be prepared.

REFERENCES:
patent: 3988369 (1976-10-01), Pearson
Pearson, et al, Synthesis, No. 9, 621-624 (1976).
Pearson, et al, Synth. Commun., vol. 9, 5-10 (1979).

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