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Volumn 180, Issue 7, 2005, Pages 1739-1748

Unexpected reactivity of ethyl 2-(diethylphosphono)propionate toward 2,2-disubstituted-1,3-cyclopentanediones

Author keywords

ketoester; 2,2 Disubstituted cyclopentanedione; 31P 13C and 1H NMR study; Phosphoryl stabilized carbanion; Retro aldol cleavage

Indexed keywords


EID: 27244455690     PISSN: 10426507     EISSN: None     Source Type: Journal    
DOI: 10.1080/10426500590885309     Document Type: Article
Times cited : (10)

References (37)
  • 15
    • 27244454829 scopus 로고    scopus 로고
    • note
    • We checked also the Wittig reaction of diketone 1a and (1-ethoxycarbonyl-ethyl) triphenylphosphonium bromide in the presence of dimsylsodium in DMSO and did not observe any reaction during two days at room temperature.
  • 31
    • 27244454394 scopus 로고    scopus 로고
    • note
    • While the dispersion of NaH in mineral oil (60%) was washed repeatedly with petroleum ether for NMR experiments, the real amount of NaH might be somewhat smaller.
  • 34
    • 27244438781 scopus 로고    scopus 로고
    • note
    • 1H-NMR relatively to diketone 1a.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.