Process for manufacturing N-alkoxy(or aryloxy)carbonyl isothiocy

Details Process for manufacturing N-alkoxy(or aryloxy)carbonyl isothiocy Process for manufacturing N-alkoxy(or aryloxy)carbonyl isothiocy

1999-06-10

2000-05-23

Ambrose, Michael G.

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

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

560 16, 560137, 560148, C07C33326, C07C33310, C07C27162, C07C26902

Patent

active

060667540

ABSTRACT:
The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an organic solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.

REFERENCES:
patent: 4659853 (1987-04-01), Fu et al.
patent: 4778921 (1988-10-01), Lewellyn et al.
patent: 5194673 (1993-03-01), Wang et al.
patent: 5728729 (1998-03-01), Gayer et al.
Chem. Ber. 116, pp. 2044-2047 1983, Zur Kenntnis von Isothicyanaten der Thiokohlensaure-O-ester, Joachim Goerdeler und Werner Kunnes.

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