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2005
Rings with 7 or more members
Rings with 7 or more members
Q 0050
Cyclocarbopalladation: Sequential Cyclization and C—H Activation/Stille
in the Pd-5-exo-dig Reaction. — New title reactions of nonacti28- 069 Cross-Coupling
vated aromatics with various vinyl, allyl, or heteroaromatic tributylstannanes and alkynylstannanes are carried out. They are regioselective and always afford the products as
a mixture of atropoisomers. In some cases, the reaction is carried out under microwave
irradiation allowing the preparation of the products in minutes instead of hours. —
(BOUR, C.; SUFFERT*, J.; Org. Lett. 7 (2005) 4, 653-656; Fac. Pharm., Univ. Louis
Pasteur, F-67401 Illkirch, Fr.; Eng.) — Steudel
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