메뉴 건너뛰기




Volumn 128, Issue 2, 2006, Pages 408-409

Titanium(II)-mediated cyclizations of (silyloxy)enynes: A total synthesis of (-)-7-demethylpiericidin A1

Author keywords

[No Author keywords available]

Indexed keywords

(SILYLOXY)ENYNE DERIVATIVE; 7 NORPIERICIDIN A1; ANTIBIOTIC AGENT; PYRIDINE DERIVATIVE; SILANE DERIVATIVE; SN 198; UNCLASSIFIED DRUG;

EID: 31544453954     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja057434k     Document Type: Article
Times cited : (44)

References (32)
  • 19
    • 33947088987 scopus 로고
    • For reviews of the halogen dance reaction, see: (a) Bunnett, J. F. Acc. Chem. Res. 1972, 5, 139.
    • (1972) Acc. Chem. Res. , vol.5 , pp. 139
    • Bunnett, J.F.1
  • 20
    • 85013565512 scopus 로고
    • Suschitzky, H., Scriven, E. F. V., Eds.; Oxford: New York
    • (b) Froehlich, J. In Progress in Heterocyclic Chemistry; Suschitzky, H., Scriven, E. F. V., Eds.; Oxford: New York, 1994; Vol. 6, pp 1-35.
    • (1994) Progress in Heterocyclic Chemistry , vol.6 , pp. 1-35
    • Froehlich, J.1
  • 25
    • 33748888565 scopus 로고    scopus 로고
    • Alcohol 9 was synthesized by addition of vinylmagnesium bromide to tiglic aldehyde and then kinetic resolution employing Sharpless asymmetric epoxidation. See: Honda, T.; Mizutani, H.; Kanai, K. J. Chem. Soc., Perkin Trans. 1 1996, 1729.
    • (1996) J. Chem. Soc., Perkin Trans. 1 , pp. 1729
    • Honda, T.1    Mizutani, H.2    Kanai, K.3
  • 26
    • 1342285487 scopus 로고    scopus 로고
    • Synthesized from 4-iodo-3-methyl-3-buten-1-ol (Marshall, J. A.; Eidam, P. Org. Lett. 2004, 6, 445) by a sequence consisting of (a) silylation (TBSC1, imidazole, 86%);
    • (2004) Org. Lett. , vol.6 , pp. 445
    • Marshall, J.A.1    Eidam, P.2
  • 27
    • 31544476434 scopus 로고    scopus 로고
    • note
    • (b) conversion to the allylic alcohol (t-BuLi, paraformaldehyde, 82%),
  • 28
    • 31544453769 scopus 로고    scopus 로고
    • note
    • (c) protection of the allylic alcohol and removal of the TBS ether (TBDPSC1, imidazole then AcOH, 79%),
  • 29
    • 31544464827 scopus 로고    scopus 로고
    • note
    • 2, THF-dioxane, 75% over two steps).
  • 30
    • 31544466128 scopus 로고    scopus 로고
    • note
    • 1H NMR analysis of the crude reaction mixture, this reaction produces a single diastereoisomer (dr >95:5). In this instance, the major side reaction is simple reduction of the enyne.
  • 31
    • 31544464530 scopus 로고    scopus 로고
    • note
    • 3- impregnated silica.
  • 32
    • 31544460274 scopus 로고    scopus 로고
    • note
    • See the Supporting Information for details.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.