Preparation of aryl chloroformates

Details Preparation of aryl chloroformates Preparation of aryl chloroformates

1992-11-13

1993-12-28

Richter, Johann

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

Organic compounds

Halocarbonate esters

C07C 6996

Patent

active

052741648

ABSTRACT:
A process for the preparation of aromatic aryl chloroformates of the general formula I ##STR1## in which Ar denotes an aryl radical optionally mono- to penta-substituted by C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.3 -C.sub.8 -alkyl-cycloalkyl, C.sub.1 -C.sub.20 -haloalkyl, C.sub.1 -C.sub.20 -alkoxy, C.sub.1 -C.sub.20 -alkylthio, halo, cyano, C.sub.2 -C.sub.20 -alkylcarbonyloxy, C.sub.3 -C.sub.20 -carboalkoxy, formyl, C.sub.2 -C.sub.20 -dialkylamino, aryl, aryloxy, arylthio, aroyl, C.sub.7 -C.sub.20 -aralkyl, C.sub.7 -C.sub.20 -aralkoxy, arylsulfonyl and/or C.sub.7 -C.sub.20 -aralkylthio and/or optionally mono- or di-substituted by chloroformyl and/or nitro, from phosgene and phenols of the general formula II

REFERENCES:
patent: 3170946 (1965-02-01), Kilsheimer et al.
patent: 3211776 (1965-10-01), Stephens
patent: 4085129 (1978-04-01), Semler et al.
patent: 4366102 (1982-12-01), Rauchschwalbe et al.
Ullmanns Encycl. of Tech. Chem., 4 Ed., vol. 9, 381 (1925).

Affiliated with

Also associated with

Rating

Preparation of aryl chloroformates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of aryl chloroformates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of aryl chloroformates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1544391