Method for making benzoylphenylureas

Details Method for making benzoylphenylureas Method for making benzoylphenylureas

1984-06-21

1985-07-16

Waltz, Thomas A.

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

Organic compounds

Amino nitrogen containing

260453P, 260465D, 546290, 546291, C07C11800, C07C12722, C07D21330, C07D21332

Patent

active

045298190

ABSTRACT:
A process for preparing a benzoylphenylurea which comprises reacting a benzoyl chloride with an alkali metal cyanate in the presence of a catalyst and an inert solvent to prepare a benzoyl isocyanate which is treated in situ with an appropriate aniline compound.

REFERENCES:
patent: 3261865 (1966-07-01), Speziale et al.
patent: 3748356 (1973-07-01), Wellinga et al.
patent: 3823144 (1974-07-01), Schmitt et al.
Hill et al., JACS, 62, 1595-1596 (1940).

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