Polynitrogen strong bases: 1- New syntheses of biguanides and their catalytic properties in transesterification reactions

Tetrahedron Letters

Volumn 39, Issue 18, 1998, Pages 2743-2746

  Gelbard, Georges ^a   Vielfaure Joly, Florence ^a  

^a CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

BIGUANIDE DERIVATIVE;

ARTICLE; CATALYSIS; CONJUGATION; DRUG SYNTHESIS; ESTERIFICATION; NONHUMAN; PEPTIDE SYNTHESIS; PROTON TRANSPORT; REACTION ANALYSIS;

EID: 0032580506     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00300-1     Document Type: Article

References (23)

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4. b) Schuchardt, U.F.; Vargas, R.M.; Gelbard, G., J. Mol. Cat.,. 1996, 109, 37-44.
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13. 12. Nogushi, M.; Okada, H.; Watanabe, M.; Moriyama, H.; Nakamura, O.; Kakehi, A., Heterocycl. Comm., 1996, 2, 361-364.
14. A(CH3CN) 31.8.
15. A(CH3CN) 31.5.
16. 3CN) 31.7.
17. 16. To be published.
18. 17. Known as Diester® or Biodiesel®
19. -1 : (664, νC=N).
20. -1 : 2122, ν(N=C=N).
21. 20. Weinschenker, N.M.; Shen, C.M., Tetrahedron Lett., 1972, 3281-3284.
22. 21. Drewry, D.H.; Gerritz, S.W.; Linn, J.A., Tetrahedron Lett., 1997. 38, 3377-3380.
23. 22. At 70°C; molar ratio of methanol /ester/catalyst ; 2.3/1/0.02.