Process for the production of 5-arylidene hydantoins (B)

Details Process for the production of 5-arylidene hydantoins (B) Process for the production of 5-arylidene hydantoins (B)

1981-04-06

1982-08-17

Demers, Arthur P.

Harness for working animal

542429, 542445, C07D23372, C07D23376

Patent

active

043450725

ABSTRACT:
5-Arylidene hydantoins are produced by condensation of an aromatic aldehyde with hydantoin in the presence of at least one ammonium salt of an aliphatic or aromatic carboxylic acid. The desired 5-arylidene hydantoins are obtained in high yields.

REFERENCES:
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patent: 3321470 (1967-05-01), Howell et al.
patent: 4241073 (1980-12-01), Jamieson et al.
Thielemann; Sci. Pharm. 39, (1971), p. 815.
Thielemann; Wiss 2 Univ. Halle, XX, 1971, M, H, S, 89-95.
Wheeler e.a. Amer. J. Chem. 45 (1911), pp. 368-383.
Thielemann (B) Chem. Abst. 75 (1971), #5638.
Thielemann e. a. (A) Chem. Abst. 76 (1972), #153669.
Phillips J. Org. Chem. 16 (1951), pp. 954-962.

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