(Chlorothio)formyl chloride → 5-(3,5-Di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-1,3,4-oxathiazolidin-2-one

Participants

Role	Name	HCID	Charge
Reactant	(Chlorothio)formyl chloride	HCID 75990	—
Reactant	3,5-Ditert-butyl-4-hydroxybenzamide	HCID 616502	—
Product	5-(3,5-Di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-1,3,4-oxathiazolidin-2-one	HCID 135778288	—

Reaction Steps

The procedure of Example 1 is repeated using 3.03 grams of 4-hydroxy-3,5-di-tert-butylbenzamide and 3.18 grams of chlorocarbonylsulfenyl choride. Recrystallization from toluene:heptane (1:1) affords the title compound as a white crystalline solid: mp 155°-157° C. (dec.).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US04724246
Source dataset	uspto-grants-1988_02
ORD ID	ord-4237d7b249d34c2e8737a3ca18720997
Source note	uspto-grants-1988_02