Scale-Up of Trisodium [(3β, 5β, 12α)-3-[[4 (S)-4-[Bis [2-[bis [(carboxy-kO) methyl] amino-kN] ethyl] amino-kN]-4-(carboxy-kO)-1-oxobutyl] amino]-12-hydroxycholan-24- …

…, L Lattuada, G Manfredi, P Morosini…

Index: Zwierzak, Andrzej; Pilichowska, Slawomira Synthesis, 1982 , # 11 p. 922 - 924

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Citation Number: 14

Abstract

... When B22956/1 was first prepared in the lab, it was synthesized following the ... alternative, the amidation was performed with diethyl cyanophosphonate and triethylamine in DMF (83%).(11). ... was a key intermediate of the above-described process, and its synthesis was explored ...