Process for the production of hydantoins

Details Process for the production of hydantoins Process for the production of hydantoins

1982-11-01

1984-05-15

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525418, 525451, 525907, 528 9, 528266, 528310, 528363, 548308, 548313, C08G 7300, C08G 7306

Patent

active

044489420

ABSTRACT:
The invention relates to a new process for the production of compounds containing at least one hydantoin ring by reacting a carbodiimide with a derivative of an .alpha.,.beta.-unsaturated carboxylic acid corresponding to the following general formula: ##STR1## wherein R.sup.3, R.sup.4 and R.sup.5 are as defined in the description.

REFERENCES:
patent: 3254036 (1966-05-01), Robinson
patent: 4156074 (1979-05-01), Rottmaier et al.
patent: 4246393 (1981-01-01), Zecher et al.

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