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Tetrahedron Letters
Volumn 24, Issue 41, 1983, Pages 4405-4408
Direct synthesis of Z-unsaturated esters. A useful modification of the horner-emmons olefination.
Author keywords

[No Author keywords available]
Indexed keywords

EID: 33646066450     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)85909-2     Document Type: Article
Times cited : (1102)
References (13)
  • 11
    • 84918391715 scopus 로고    scopus 로고
    • 2NEt (21.7 gm, 0.167 mole) in 150 ml benzene. After stirring for 1 hr at 25 deg, the solvent was evapoarted and [[Truncated]]
  • 12
    • 84918391714 scopus 로고    scopus 로고
    • 3CN (12 mmol) in 10 ml toluene were stirred for 1 hr at 25 deg and then cooled to –20 deg. The aldehyde (1 mmol) and 2 (1 mmol) were added and the mixture [[Truncated]]
  • 13
    • 84985262448 scopus 로고
    • A Convenient Modification of the Wadsworth-Emmons Method of Olefin Formation Using a Crown Ether
    • 2 without added 18-crown-6 were significantly less effective. Other metal chelating agents dicyclohexyl-18-crown-6, HMPA and cryptand [2.2.2] were also briefly examined and found to be relatively ineffective at promoting Z olefination. Crown ethers have been used previously to catalyze Horner-Emmons-like olefinations:
    • (1981) Synthesis , pp. 117
    • Baker1    Sims2

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.