N-Substituted phenyl maleimides

Details N-Substituted phenyl maleimides N-Substituted phenyl maleimides

1980-10-29

1983-08-23

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548555, C07D207452

Patent

active

044005210

ABSTRACT:
Maleimide compounds represented by the general formula (I) ##STR1## where R and R' are a hydrogen atom, a halogen atom, or an alkyl radical of from 1 to 4 carbon atoms, and n and n' are a whole number of from 1 to 4; and a process for the preparation of the maleimide compounds, in which a maleamic acid represented by the general formula (II) ##STR2## where R and R' are a hydrogen atom, a halogen atom, or an alkyl radical of from 1 to 4 carbon atoms, and n and n' are a whole number of from 1 to 4, is contacted with a dehydrating agent in an organic solvent.

REFERENCES:
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patent: 4231934 (1980-11-01), Oba et al.
Fieser et al., Adv. Org. Chem., p. 17748, Reinhold, N.Y., (1961).
Chem. Abstracts, 62 484(b), (1965).
Chem. Abstracts, 61 8236 a, b, (1964).
Morrison & Boyd, Organic Chemistry, Allyn and Bacon, Inc., Boston, p. 544, (1965).
C. A., 72 90024Z, (1970).
J. Burgers et al., Rec. trav. chim., 75 pp. 1327-1342, (1956).
M. Fedtke et al., J. fur prakt. chemie, 29 pp. 259-270, (1965).

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