Rhodium catalyzed [2+2+2] cyclizations of 1,6-enynes
2001; Elsevier BV; Volume: 42; Issue: 32 Linguagem: Inglês
10.1016/s0040-4039(01)01065-6
ISSN1873-3581
AutoresChang Ho Oh, Hye Rhyan Sung, Seung‐Hyun Jung, Young Mook Lim,
Tópico(s)Catalytic Cross-Coupling Reactions
ResumoVarious terminal alkynes in the presence of 5 mol% of RhCl(PPh3)3 were homo-coupled to the conjugated enynes. 1,6-Enynes in the presence of 5 mol% RhCl(PPh3)3 and 10 mol% Ag(I) salts underwent [2+2+2]-cyclization among two triple bonds and one pendant double bond in good to excellent yields.
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