Facile conversion of 23-hydroxyspirosolane into pregnane

Tetrahedron Letters

Volumn 46, Issue 20, 2005, Pages 3549-3551

  Matsushita, Sayaka ^a   Yoshizaki, Miho ^a   Fujiwara, Yukio ^a   Ikeda, Tsuyoshi ^a   Ono, Masateru ^b   Okawara, Tadashi ^a   Nohara, Toshihiro ^a  

^a KUMAMOTO UNIVERSITY   (Japan)

^b TOKAI UNIVERSITY   (Japan)

Author keywords

Isomerization; Lycopersicon esculentum; Pregnane; Solanocapsine; Spirosolane; Tomato steroidal alkaloids sapogenol

Indexed keywords

23 HYDROXYSPIROSOLANE; ALKALOID; ESCULEOGENIN A; ESCULEOGENIN B; ISOESCULEOGENIN A; PREGNANE DERIVATIVE; PYRIDINE; SAPOGENOL DERIVATIVE; STEROID HORMONE; UNCLASSIFIED DRUG; WATER;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL REACTION; FRUIT RIPENING; ISOMERIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; TOMATO;

EID: 17844402233     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.03.116     Document Type: Article

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3. 5), C-1-27: δ 37.5, 32.3, 70.6, 39.2, 45.2, 29.1, 32.6, 35.3, 54.8, 35.9, 21.5, 40.7, 40.1, 56.7, 34.3, 82.7, 63.7, 17.3, 12.5, 44.1, 16.5, 102.5, 72.2, 32.4, 35.3, 45.9, 65.6
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10. 5), C-1-27: δ 37.6, 32.1, 70.6, 39.3, 45.4, 29.1, 32.6, 35.3, 54.8, 35.9, 21.4, 40.7, 42.1, 53.6, 33.8, 70.6, 62.7, 15.4, 12.6, 27.6, 17.8, 63.0, 96.5, 39.3, 25.2, 43.8, 65.4
11. 5), C-1-21: δ 37.5, 32.4, 70.6, 39.0, 45.3, 29.1, 32.5, 34.9, 54.9, 35.9, 21.0, 39.3, 42.4, 54.4, 38.2, 71.8, 69.3, 14.7, 12.5, 208.5, 30.8
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