Process for the preparation of urea derivatives

Details Process for the preparation of urea derivatives Process for the preparation of urea derivatives

1983-05-19

1985-04-30

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548233, 548236, 548245, 548246, 548247, 564 48, 564 58, 564 57, 564 61, C07B 2900, C07C12600, C07D21389, C07D26348

Patent

active

045145717

ABSTRACT:
A process for the preparation of a urea derivative having the formula: ##STR1## in which A represents a straight- or branched-chain alkyl group having 1-20 carbon atoms, an aryl group, or a heterocyclic group, and each of R.sup.1 and R.sup.2 represents hydrogen, a straight- or branched-chain alkyl group having 1-20 carbon atoms, an alicyclic group, or an aryl groups, which comprises:

REFERENCES:
patent: 3935258 (1976-01-01), Hempel et al.

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