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Volumn 68, Issue 12, 2003, Pages 4876-4885

Synthesis and reactions of 2-substituted ethyl N-alkylmalonylhydroxamic acids

Author keywords

[No Author keywords available]

Indexed keywords

ADDITION REACTIONS; ALKYLATION; SYNTHESIS (CHEMICAL); UREA;

EID: 0037603059     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo0300690     Document Type: Article
Times cited : (25)

References (20)
  • 6
    • 0037782653 scopus 로고    scopus 로고
    • note
    • Treatment of 4a with 1 equiv of LDA and then 1 equiv of prenyl bromide at 0 °C gives 5 in high yield.
  • 9
    • 84984169144 scopus 로고
    • α-Lactams with β-hydrogens can react with bases to produce α,β-unsaturated amides in a second-order reaction. (See for example: Quast, H., Meichsner, G., Seiferling, B. Chem. Ber. 1987, 120, 217-223.) This scenario predicts that the yield of 6 should increase as the concentration of LDA is increased, contrary to observations. Thus, the involvement of α-lactams in the formation of 6 is discounted.
    • (1987) Chem. Ber. , vol.120 , pp. 217-223
    • Quast, H.1    Meichsner, G.2    Seiferling, B.3
  • 11
    • 0038120310 scopus 로고    scopus 로고
    • note
    • A product was isolated that lacked the ethoxy group and appeared to be the result of intramolecular cyclization between the hydroxamate oxyanion and the ester group to give an isoxazolidine dione.
  • 14
    • 0038120311 scopus 로고    scopus 로고
    • note
    • We have just recently learned that 0.5% methanesulfonic acid in absolute ethanol gives even higher yields of desilylation (80-85%).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.