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Volumn 47, Issue 51, 2006, Pages 9021-9024

Stereoselective synthesis of rac-(8R,13S,14S)-7-oxa-estra-4,9-diene-3,17-dione

Author keywords

[No Author keywords available]

Indexed keywords

7 OXAESTRA 4,9 DIENE 3,17 DIONE; HORMONE DERIVATIVE; INDAN DERIVATIVE; INDENE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 33750953127     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2006.10.098     Document Type: Article
Times cited : (9)

References (57)
  • 1
    • 33750952637 scopus 로고    scopus 로고
    • Djerassi, C., Ed. Steroid Reactions; Tokes, L., Series Ed.; Holden Day: San Francisco, 1963; p 459, and references cited therein.
  • 50
    • 33750961942 scopus 로고    scopus 로고
    • note
    • Similar results were obtained in various solvents in the presence of Pd catalysts on various supports such as carbon, alumina, calcium carbonate, and barium sulfate. In general, in less polar solvents (such as cyclohexane and THF), the reactions were slower but cleaner; while in polar solvents (such as ethanol and DMF), the reactions were faster but they often produced alcohols as minor 1,2-reduction byproducts.
  • 51
    • 33750937350 scopus 로고    scopus 로고
    • note
    • This ratio may vary from 3:1 to 1:3 depending on the reaction condition; for example, epimerization proceeded faster than cyclization at lower temperature than at ambient temperature.
  • 52
    • 33750931737 scopus 로고    scopus 로고
    • note
    • Crystallographic data (excluding structure factors) for the structure in this paper have been deposited with the Cambridge Crystallographic Data Centre as a supplementary publication number CCDC 622865. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1 EZ, UK [fax: +44 1223 336033 or e-mail: deposit@ccdc.cam.ac.uk].
  • 53
    • 0000553555 scopus 로고
    • 3 afforded trans-indanes; however, it was later found out that the reduction products were actually cis-indanes, see:
    • 3 afforded trans-indanes; however, it was later found out that the reduction products were actually cis-indanes, see:. Bauduin G., and Pietrasanta Y. Tetrahedron 29 (1973) 4225
    • (1973) Tetrahedron , vol.29 , pp. 4225
    • Bauduin, G.1    Pietrasanta, Y.2
  • 55


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.