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Volumn 19, Issue 4, 1978, Pages 315-318

Vinylogous amide anions. Application to the synthesis of 2,3-dihydro-4-pyrones

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EID: 49349135918     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(01)85113-3     Document Type: Article
Times cited : (13)

References (19)
  • 2
    • 85012429065 scopus 로고
    • Alkylations of Vinylogous Amides, Vinylogous Esters and Vinylogous Thioesters with Potassium Hydride
    • (1976) Synthesis , pp. 401
    • Gammill1    Bryson2
  • 16
    • 84914389264 scopus 로고    scopus 로고
    • 2 followed by treatment of the product with dimethylamine/methanol at reflux.
  • 17
    • 84914389263 scopus 로고    scopus 로고
    • 2 = H) was converted to its lithium salt and reacted with benzophenone, a crystalline condensation product of type 4 was obtained in 66% yield. However, this adduct was unchanged upon treatment with dilute HCl/methanol. Exposure to concentrated HCl afforded the dehydration product shown below.
  • 19
    • 84914389262 scopus 로고    scopus 로고
    • When 3a was heated at reflux for 2 hr in 1:1 methanol/3N NaOH and the solution then acidified, phenylacetone was obtained in 89% yield.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.