Effect of tether position on the intramolecular reaction between rhodium stabilized carbenoids and furans

Tetrahedron Letters

Volumn 38, Issue 32, 1997, Pages 5623-5626

  Davies, Huw M L ^a   Calvo, Rebecca L ^a  

^a UNIVERSITY AT BUFFALO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FURAN DERIVATIVE; POLYCYCLIC AROMATIC HYDROCARBON;

ARTICLE; CATALYSIS; DRUG STRUCTURE; DRUG SYNTHESIS; IN VITRO STUDY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; REACTION ANALYSIS; STEREOCHEMISTRY;

EID: 0030749237     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)01277-X     Document Type: Article

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26. 3) data: 11a: δ 6.55 (s, 1 H), 6.52 (d, 1 H, J = 2.7 Hz), 5.45 (d, 1 H, J = 2.7 Hz), 4.36 (d, 1 H, J = 9.3 Hz), 4.31 (d, 1 H, J = 9.3 Hz), 2.14 (s, 3 H); 11b: 6.51 (d, 1 H, J = 2.8 Hz), 5.42 (d, 1 H, J = 2.8 Hz), 4.27 (d, 1 H, J = 9.5 Hz), 4.22 (d, 1 H, J = 9.5 Hz), 2.12 (s, 3 H), 1.62 (s, 3 H); 14: 6.51 (d, 1 H, J = 2.9 Hz), 6.45 (s, 1 H), 5.43 (d, 1 H, J = 2.9 Hz), 4.42 (dd, 1 H, J = 7.0, 10.0 Hz), 2.87 (dd, 1 H, J = 7.0, 17.2 Hz), 2.73 (dd, 1 H, J = 10.0, 17.2 Hz), 2.16 (s, 3 H), 0.85 (s, 9 H), 0.02 (s, 3 H), 0.01 (s, 3 H).