Synthetic studies of norzoanthamine. Preparation of the diene-yne-diene precursor of an ABC-ring fragment

Chemistry Letters

Volumn 34, Issue 7, 2005, Pages 1058-1059

  Irifune, Taiji ^a   Ohashi, Tomohiro ^a   Ichino, Takao ^a   Sakai, Emi ^a   Suenaga, Kiyotake ^a,b   Uemura, Daisuke ^a  

^a NAGOYA UNIVERSITY   (Japan)

^b UNIVERSITY OF TSUKUBA   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 26044478891     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2005.1058     Document Type: Article

References (35)

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35. 6) of 15: δ 7.35-7.08 (m, 5H), 6.71 (br s, 1H), 5.89 (br s, 1H), 5.47 (t, J = 8.1 Hz, 1H), 5.46 (t, J = 8.1 Hz, 1H), 4.64-4.62 (m, 1H), 4.36 (s, 2H), 3.62 (s, 3H), 3.56 (t, J = 6.6 Hz, 2H), 3.45-3.35 (m, 2H), 3.24 (s, 3H), 2.77-2.72 (m, 1H), 2.65-2.60 (m, 1H), 2.54-2.47 (m, 1H), 2.35-2.28 (m, 1H), 2.22 (s, 3H), 2.24-2.21 (m, 2H), 1.87 (s, 3H), 1.79 (s, 3H), 1.63 (s, 3H), 1.04 (s, 9H), 0.97 (s, 9H), 0.16 (s, 3H), 0.14 (s, 3H), 0.05 (s, 6H). The stereochemistry of 15 was determined by an NOE experiment. (Chemical Equation Presented)