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Tetrahedron Letters
Volumn 18, Issue 41, 1977, Pages 3643-3646
New and effective route to β-lactams. The reaction of ketene silyl acetals with schiff bases promoted by titanium tetrachloride
Author keywords

[No Author keywords available]
Indexed keywords

BETA LACTAM;
EID: 0017398566     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(01)83315-3     Document Type: Article
Times cited : (141)
References (10)
  • 4
    • 0002861708 scopus 로고
    • The reverse addition, i.e., addition of Schiff base to the mixture of ketene silyl acetal and titanium tetrachloride, did not work well since the coupling of the ketene silyl acetal promoted by titanium tetrachloride giving a substituted succinate predominated over the addition reaction. As to the coupling of ketene silyl acetal promoted by titanium tetra- chloride. see
    • (1977) Tetrahedron Lett. , pp. 2009
    • Inaba1    Ojima2
  • 5
    • 84918305016 scopus 로고    scopus 로고
    • The reaction of an alkylidenealkylamine was carried out at initial temperature of −78°C using 10 mmol of a ketene silyl acetal, 20 mmol of a Schiff base, and 15 mmol of titanium tetrachloride in 30 ml of dichloromethane and the reaction mixture was gradually warmed up to ambient temperature. Usually, the reaction was completed within 12 hr.
  • 6
    • 84918303354 scopus 로고    scopus 로고
    • 19NO: C, 81.48; H, 7.22; N, 5.28%.

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.