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2005
Cycloalkylphenyl derivatives
Q 0760
Catalytic Asymmetric Arylative Cyclization of Alkynals: Phosphine-Free RhodiComplexes as Efficient Catalysts. — An effective Rh-catalyzed arylative
22- 084 um/Diene
cyclization of alkynals as well as alkynones is developed yielding 5- and 6-membered
cyclic allylic alcohols. In the presence of a chiral bicyclooctadiene ligand, highly enantioselective cyclization is possible. 1,6-Enynes are also suitable substrates for this reaction. — (SHINTANI, R.; OKAMOTO, K.; OTOMARU, Y.; UEYAMA, K.;
HAYASHI*, T.; J. Am. Chem. Soc. 127 (2005) 1, 54-55; Dep. Chem., Grad. Sch. Sci.,
Kyoto Univ., Sakyo, Kyoto 606, Japan; Eng.) — Jannicke
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