Preparation of carbamates

Details Preparation of carbamates Preparation of carbamates

1983-10-17

1984-10-02

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560 25, 546 88, 546260, 502339, 568 17, C07C12506, C07D47104, C07D21322

Patent

active

044749783

ABSTRACT:
Process for the preparation of carbamates and/or derivatives thereof by reacting an organic compound containing at least one hydroxyl group with carbon monoxide and an organic nitrogeneous compound in the presence of a catalytic system based on palladium and a ligand according to the general formula: ##STR1## wherein L=N, P, As or Sb; R, R.sup.1, R.sup.2 and R.sup.3 are (un)substituted alkyl, aryl, alkaryl or aralkyl or R and R.sup.1 and/or R.sup.2 and R.sup.3 may form a ring together with the atom L to which they are attached; R.sup.4 and R.sup.5 are H or lower alkyl and n=2, 3 or 4, whereas carbon atoms between the groups L may be part of cyclic or non-cyclic unsaturated structures, and in the presence of an acid promoter.

REFERENCES:
patent: 3448140 (1969-06-01), Gamlen et al.
patent: 4227008 (1980-10-01), Miyata et al.
patent: 4319035 (1982-03-01), Merger et al.
patent: 4411820 (1983-10-01), Pretzer et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-527528