메뉴 건너뛰기




Volumn 56, Issue 2, 2008, Pages 237-238

The enantioselective total synthesis of a β-carboline alkaloid, (S)-(-)-dichotomine C

Author keywords

(S) ( ) dichotomine C; Aza electrocyclic reaction; Enantioselective synthesis; First synthesis; Microwave

Indexed keywords

1 AZAHEXATRIENE; ALKALOID DERIVATIVE; ANTIALLERGIC AGENT; BETA CARBOLINE; DICHOTOMINE C; HETEROCYCLIC COMPOUND; UNCLASSIFIED DRUG;

EID: 38849103831     PISSN: 00092363     EISSN: 13475223     Source Type: Journal    
DOI: 10.1248/cpb.56.237     Document Type: Article
Times cited : (39)

References (15)
  • 4
    • 0000938909 scopus 로고
    • ed. by Trost B. M, Fleming I, Paquette L. A, Pergamon Press, New York
    • Okamura W. H., de Lera A. R., "Comprehensive Organic Synthesis," Vol. 5, ed. by Trost B. M., Fleming I., Paquette L. A., Pergamon Press, New York, 1991, pp. 699-750.
    • (1991) Comprehensive Organic Synthesis , vol.5 , pp. 699-750
    • Okamura, W.H.1    de Lera, A.R.2
  • 5
    • 21144453500 scopus 로고
    • ed. by Moody C. J, JAI Press, Greenwich, CT
    • Hibino S., Sugino E., "Advances in Nitrogen Heterocycles," Vol. 5, ed. by Moody C. J., JAI Press, Greenwich, CT, 1995, pp. 699-750.
    • (1995) Advances in Nitrogen Heterocycles , vol.5 , pp. 699-750
    • Hibino, S.1    Sugino, E.2
  • 14
    • 38849177721 scopus 로고    scopus 로고
    • 1H-NMR ratio of their (R)-MαNP esters, which was synthesized by esterification of the C15-primary hydroxy group in dichotomine C (1) with pivaloyl chloride, followed by treatment of the C14-secondary hydroxy group with (R)-2-methoxy-2-(1-naphthyl)propionic acid (MαNP acid) in the presence of dicyclohexylcarbodiimide and dimethylaminopyridine.
    • 1H-NMR ratio of their (R)-MαNP esters, which was synthesized by esterification of the C15-primary hydroxy group in dichotomine C (1) with pivaloyl chloride, followed by treatment of the C14-secondary hydroxy group with (R)-2-methoxy-2-(1-naphthyl)propionic acid (MαNP acid) in the presence of dicyclohexylcarbodiimide and dimethylaminopyridine.
  • 15
    • 38849166913 scopus 로고    scopus 로고
    • Although DMSO-d6 as the measurement solvent for the 1H-NMR spectrum of natural, -dichotomine C (1) was described in ref. 1, the 1H-NMR spectrum data of synthetic, )-1 by DMSO-d6 were not identical with those of natural, )-1: 1H-NMR (300 MHz, DMSO-d6) d, 3.77-3.87 (2H, m, 3.89 (3H, s, 4.83 (1H, t, J=5.9 Hz, 5.04-5.12 (1H, m, 5.91 (1H, d, J=4.4 Hz, 7.27 (1H, t, J=7.3 Hz, 7.56 (1H, t, J=7.3 Hz, 7.72-7.76 (1H, m, 8.35 (1H, d, J=7.3 Hz, 8.82 (1H, s, 11.61 (1H, s, The 1H-NMR spectrum of synthetic, )-1 was measured again in pyridine d6 by the corrected information from Professor M. Yoshikawa
    • 6 by the corrected information from Professor M. Yoshikawa.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.