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Synthesis of Enantiomerically Pure (R,R)- and (S,S)-1,2-Bis(pentafluorophenyl)ethane-1,2-diamine and Evaluation of the pKa Value by ab initio Calculations.

✍ Scribed by Takashi Sakai; Toshinobu Korenaga; Noriyuki Washio; Yuji Nishio; Shinichi Minami; Tadashi Ema

Publisher
John Wiley and Sons
Year
2004
Weight
95 KB
Volume
35
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

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## Abstract The gas‐phase structure of __N,S,S__‐trimethylsulfoximine 1 and of its monolithiated isomers 2–4 was calculated by __ab initio__ methods. It was found that a LiCSN four‐membered chelate 2 is the most stable isomer. The second minimum 4 shows NLiO complexation and is only slightly h