Phosphorus, Sulfur and Silicon, 2002, Vol. 177:1093–1099 Copyright C 2002 Taylor & Francis 1042-6507/02 $12.00 + .00 DOI: 10.1080/10426500290092361 ... THE MECHANISM OF THIONYL CHLORIDE REACTION WITH DIALKYL ALKYLPHOSPHONOTHIONATE USING 31P NMR ... Purnanand, PD Shakya, Shefali Saxena, M. Sharma, and Basant Lal Defence Research and Development Establishment, Gwalior, India ... Based on 31P NMR studies of thionyl ...