Eight-membered organosulfur heterocycles. Synthesis of dibenzo[d,g][1,3,6,2]dioxathiaphosphocin and dibenzo[d,g][1,3,6,2]dioxathiasilocin ring systems
β Scribed by Stephen D. Pastor; John D. Spivack; Leander P. Steinhuebel
- Book ID
- 112127594
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1984
- Tongue
- English
- Weight
- 162 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0022-152X
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π SIMILAR VOLUMES
Synthesis of 6-subsituted-2,10-dibromodibenzo [d,g][1,3,6,2]dioxathiaphosphocin 6-sulfides (3a-l) has been accomplished in a two-step process. Reaction of 5,5'-dibromo-2,2'-dihydroxydiphenyl sulfide 1 and thiophosphoryl chloride in equimolar quantities in the presence of triethylamine as a base and
Novel 6-alkylcarbamato/thiocarbamato-2, I O-dichlorodibenzo [d,~[l,3,6,2]dioxathiaphosphocin 6-oxides were synthesized by cyclization of 5,5'-dichloro-2,2'dihydroxydiphenyl sulfide with the corresponding dichlorophosphinyl carbamates/thiocarbamates that were obtained by the addition of alcohols/thio
## Abstract Several novel 2,4,8,10βtetraβ__t__βbutylβ6βsubstituted dibenzo[__d,g__][1,3,6,2]dioxathiaphosphocin 6βoxides were synthesized in high yield by cyclocondensation of 2,2β²βthiobis(2,4βdiβ__t__βbutylphenol) with phosphorus oxychloride in the presence of triethylamine and a catalytic amount