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Volumn 2, Issue 1, 2004, Pages 38-47

Total synthesis of (-)-microcarpalide, a novel microfilament disrupting metabolite

Author keywords

[No Author keywords available]

Indexed keywords

ACIDITY; ESTERIFICATION; METABOLITES; OXIDATION; REACTION KINETICS; SYNTHESIS (CHEMICAL);

EID: 1642502980     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/b308709c     Document Type: Article
Times cited : (46)

References (57)
  • 37
    • 0003911221 scopus 로고
    • Cornell University Press, Ithaca, NY
    • (a) H. C. Brown, in Boranes in Organic Chemistry, Cornell University Press, Ithaca, NY, 1972, pp. 317-409
    • (1972) Boranes in Organic Chemistry , pp. 317-409
    • Brown, H.C.1
  • 45
    • 1642449898 scopus 로고    scopus 로고
    • note
    • During a preliminary approach to fragment B, diol 12 was treated with NaH and benzyl bromide in DMF at -40 °C to afford the corresponding monobenzyl derivative. In fact, a benzyl protection seemed convenient since it could have been removed en route, during the hydrogenation step that was planned to follow the first Wittig homologation. Surprisingly and unexpectedly, however, cleavage of the benzyl group by catalytic hydrogenation was found rather troublesome, even under higher pressures. Hence, annoyingly, the problem was circumvented by switching to a different protecting group for diol 12, namely TBDMS, and the synthetic sequence had to be lengthened by one step, i.e., deprotection with TBAF.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.