Esterification process using methoxymethyl-P-toluenesulfonate

Details Esterification process using methoxymethyl-P-toluenesulfonate Esterification process using methoxymethyl-P-toluenesulfonate

1979-11-16

1981-01-27

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456P, 544 16, 544 19, 544 24, 544 25, 544 27, C07D49908, C07D50102

Patent

active

042474612

ABSTRACT:
A new esterifying agent, i.e. methoxymethyl tosylate, is provided for use in preparing methoxymethyl esters of organic carboxylic acids. The new esterifying agent is found to be particularly advantageous in the esterification of penicillin 3-carboxyl groups or cephalosporin 4-carboxyl groups to the methoxymethyl ester group.

REFERENCES:
patent: 3697507 (1972-10-01), Frederiksen et al.
patent: 3819643 (1974-06-01), Frederiksen et al.
patent: 3873521 (1975-03-01), Eckstrom et al.
patent: 4185015 (1980-01-01), Sleezer et al.

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