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2005
Organo-tin compounds
S 4800
Nickel-Catalyzed Acylstannylation and Alkynylstannylation of 1,2-Dienes. —
react to give α-acylmethyl(vinyl)stannanes regioselectively. The reaction is
12- 184 1,2-Dienes
successful with various 1,2-dienes and acylstannanes as well as with acylstannanes
generated in situ. The alkynylstannylation results in preferred formation of α-alkynylmethyl(vinyl)stannanes or (Z)-alkynylmethyl(alkenyl)stannanes depending on the
starting diene and ligand used. The products are useful synthons which can smoothly
be transformed into different enones, enynes, and polycyclic compounds. —
(NAKAO, Y.; SHIRAKAWA, E.; TSUCHIMOTO, T.; HIYAMA*, T.; J. Organomet.
Chem. 689 (2004) 23, 3701-3721; Dep. Mater. Chem., Grad. Sch. Eng., Kyoto Univ.,
Nishikyo, Kyoto 615, Japan; Eng.) — Jannicke
2005
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