A short enantioselective synthetic route to (+)-cassiol

Synlett

Volumn , Issue 2, 1998, Pages 129-130

  Maiti, Soumen ^a   Achari, Basudeb ^a   Banerjee, Asish K ^a  

^a INDIAN INSTITUTE OF CHEMICAL BIOLOGY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001709324     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1605     Document Type: Article

References (15)

1. Tanaka, S.; Akira, T.; Tabata, M. Yakugaku Zasshi 1984, 104, 601-606;
2. Tanaka, S.; Akira, T.; Tabata, M. Planta Medica 1986, 440-443.
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4. a) Takemoto, Y.; Fukaya, C.; Yokoyama, K. Tetrahedron Lett. 1989, 30, 723-724.
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12. 3) : δ 0.94 (3H, t, J 8 Hz), 1.30 (3H, t, J 7.5 Hz), 1.50 (3H, d, J 8 Hz), 1.80 (3H, s, vinyl methyl), 2.04-2.42 (2H, m), 4.17 (2H, q, J 7.5 Hz), 4.54 (2H, quintet, J 7 Hz), 7.30 (5H, br s), and 9.64 (1H, br d, J 7 Hz, chelated NH) [ cf Felk, A.; Revial, G.; Viossat, B.; Lemoini, P.; Pfau, M. Tetrahedron:Asymmelry 1994, 5, 1459-1462].
13. 3) : δ 197.2 (s), 172.7 (s), 143.6 (t), 134.6 (s), 60.9 (t), 53.1 (s), 33.5 (t), 23.2 (t), 20.1 (q), 16.2 (q), and 13.8 (q).
14. 3, > 99% ee).
15. Sugai, T.; Kakeya, H.; Ohta, H.; Morooka, M.; Ohba, S. Tetrahedron 1989, 45, 6135-6144.