Triethylamine → 2,4,8,10-Tetra-t-butyl-6-methyl-dibenzo[d,g][1,3,2,6]dioxasilathiocin

Participants

Role	Name	HCID	Charge
Reactant	Triethylamine	HCID 8471	—
Reactant	4,4',6,6'-Di-tert-butyl-2,2'-thiobisphenol	HCID 10898437	—
Reactant	(Dichloromethyl)silane	HCID 57353436	—
Product	2,4,8,10-Tetra-t-butyl-6-methyl-dibenzo[d,g][1,3,2,6]dioxasilathiocin	HCID 123391060	48.7%

Reaction Steps

Utilizing the procedure of Example 1, this compound is prepared from 5.7 grams (0.05 mole) dichloromethylsilane, 22.1 grams (0.05 mole) 2,2'-thiobis(4,6-di-t-butylphenol), and 10.1 grams (0.10 mole) triethylamine. Recrystallization twice from acetone-toluene gives 11.8 grams (48% yield) of white crystals, mp 178°-180° C.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US04503243
Source dataset	uspto-grants-1985_03
ORD ID	ord-9e4a1e223cc543a3837e3221e3d39df1
Source note	uspto-grants-1985_03