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Preparation of Chiral Nitroxide Radicals and Spontaneous Optical Resolution by Recrystallization
Author(s) -
Tamura Rui,
Susuki Shinsuke,
Azuma Nagao,
Matsumoto Akira,
Toda Fumio,
Kamimura Akio,
Hori Kenzi
Publication year - 1994
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199408781
Subject(s) - recrystallization (geology) , radical , nitroxide mediated radical polymerization , enantiomer , photochemistry , resolution (logic) , materials science , enantiomeric excess , chemistry , crystallography , stereochemistry , organic chemistry , polymer , radical polymerization , enantioselective synthesis , catalysis , polymerization , paleontology , artificial intelligence , computer science , biology
Conglomerates of enantiomeric single crystals are formed on slow recrystallization of the chiral nitroxide radicals 1, R H, Me, obtained according to reaction (a). The unusual arrangement of 1 in the crystal may explain the spontaneous optical resolution.

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