Formaldehyde → 1,1'-Methylenebis(5,5-dimethylimidazolidine-2,4-dione)

Participants

Role	Name	HCID	Charge
Reactant	Formaldehyde	HCID 712	—
Reactant	Dimethylhydantoin	HCID 6491	—
Reactant	Epichlorohydrin	HCID 7835	—
Reactant	1,1'-Methylenebis(5,5-dimethylimidazolidine-2,4-dione)	HCID 716765	—
Product	1,1'-Methylenebis(5,5-dimethylimidazolidine-2,4-dione)	HCID 716765	—
Product	HCID 4363652	HCID 4363652	—

Reaction Steps

1,1'-Methylene-bis[3-glycidyl-5,5-dimethylhydantoin] is prepared by the reaction of epichlorohydrin and 1,1'-methylene-bis[5,5-dimethylhydantoin] according to Example 1 of U.S. Pat. No. 3,592,923. 1,1'-Methylene-bis[5,5-dimethylhydantoin] is prepared by the general procedure of Example I of U.S. Pat. No. 3,793,248 using paraformaldehyde and 5,5-dimethylhydantoin.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US04125516
Source dataset	uspto-grants-1978_11
ORD ID	ord-fed4719954f84e21ae7d2eb243e57ec6
Source note	uspto-grants-1978_11