Web2-Trifluoromethylphenyl (di)thiophosphates of the formula ##STR1## where R1 is alkyl of 1 to 3 carbon atoms, R2 is alkyl of 1 to 5 carbon atoms, alkoxyalkyl or alkylthioalkyl of 2 to 8 carbon atoms or cycloalkyl of 3 to 6 carbon atoms, R3, R4 and R5 independently of one another are each hydrogen, cyano, halogen, alkoxy, alkylthio, each of 1 to 4 carbon … WebStudies of the synthesis of these compounds were conducted in two directions: 1) the synthesis of dithio-phosphoric acid triesters; 2) the production of dialkenyl-dithiophosphine salts and diester-dithiophosphoric acids. I !,TD-HC-23-1126-72 1 The combination reaction of dithiophosphoric aeld eaters to I

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Webo,o-dialkyl-s-phenyl-dithiophosphoric acid esters专利检索，o,o-dialkyl-s-phenyl-dithiophosphoric acid esters属于···硫代磷酸或硫代亚磷酸的酯专利检索，找专利汇即可免费查询专利，···硫代磷酸或硫代亚磷酸的酯专利汇是一家知识产权数据服务商，提供专利分析，专利查询，专利检索等数据服务功能。 WebDialkyl(aryl) phosphoryl derivatives of alkylene dithiophosphates of general formula (S)SP(O)(OR) 2: R = Pr i, Ph and G = ═CMe 2 CMe 2 ═, ═CH 2 CH 2 CHMe═, ═CH 2 … microbial genes outnumber human genes

O,O-Diethyl dithiophosphate C4H11O2PS2 - PubChem

WebNov 19, 2013 · Structure of a phosphate ester, a thiophosphate ester and a dialkyldithio phosphoric acid. Figure 1. Phosphate esters have been used as lubricant additives for more than 80 years, beginning with the early … WebMay 21, 2014 · Treatment of the dithiophosphoric acid with excess base, such as triethylamine (shown), or pre-made metal salts resulted in no ring opening of 1. Clearly both the presence of sulfur and the acidic hydrogen are essential for the success of this new selective ring opening reaction. WebFeb 1, 2000 · Synthesis and Characterization of O,O-Dialkyl and Alkylene Dithiophosphoric Acid Adducts of Diphenyl Diselenide Article Mar 2002 Marwan Abushanab A. A. S. El-Khaldy Raef Baraka MA Wasif View... the only woman pharaoh in ancient egypt