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ChemInform Abstract: 2-Phosphaindolizines.

✍ Scribed by N. GUPTA; C. B. JAIN; J. HEINICKE; N. BHARATIYA; R. K. BANSAL; P. G. JONES

Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
29
Category
Article
ISSN
0931-7597

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The 2-phosphaindolizines 1 react with hydrogen sulfide and elemental sulfur to give the new zwitterionic heterocyclic systems 2 of the N-pyridiniomethyl dithiophosphinate type. In contrast, no reaction is observed with sulfur alone. MeI methylates 2e,f at sulfur. The analogous pyridiniodiselenophosp