Enantioselective synthesis of planar chiral paracyclophanes with short ansa chains and structure of strained dioxa[7]paracyclophane

Autor:	Araki, Tatsuya, Hojo, Daiki, Noguchi, Keiichi, Tanaka, Ken
Jazyk:	angličtina
Rok vydání:	2011
Předmět:	chemistry.chemical_compound chemistry Stereochemistry Organic Chemistry Enantioselective synthesis paracyclophane planar chiral stereoselective prepn Planar chirality Chirality (chemistry) Ring (chemistry) Planarity testing Cycloaddition BINAP Cyclophane
Zdroj:	Synlett. :539-542
ISSN:	0936-5214
Popis:	The first enantioselective synthesis of planar chiral [7] and [8]paracyclophanes has been achieved by the cationic rhodium(1)―(S)-H 8 -BINAP complex catalyzed [2+2+2] cycloaddition. Planar chiral [9]paracyclophanes were also synthesized by the same method. The first X-ray crystallographic analysis of the strained dioxa[7]paracyclophane revealed the significant deformation of the benzene ring from planarity.
Databáze:	OpenAIRE
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