Synthesis of Carbamates Using Yttria-Zirconia Based Lewis Acid Catalyst

Synthetic Communications

Volumn 33, Issue 23, 2003, Pages 4019-4027

  Pandey, Rajesh K ^a   Dagade, Sharda P ^a   Dongare, Mohan K ^a   Kumar, Pradeep ^a  

^a NATIONAL CHEMICAL LABORATORY   (India)

Author keywords

Carbamate; Chemoselectivity; Heterogeneous catalysis; Yttria zirconia based Lewis acid

Indexed keywords

AMINE; CARBAMIC ACID; CHLOROFORMIC ACID ETHYL ESTER; LEWIS ACID; YTTRIUM; ZIRCONIUM;

ARTICLE; CATALYST; ORGANIC CHEMISTRY; SYNTHESIS;

EID: 0345598995     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1081/SCC-120026337     Document Type: Article

References (23)

1. (a) The Agrochemicals Handbook, 2nd Ed.; Royal society of chemistry. 1987;
2. (b) Barthlemy, J.L. Pharm. 1986, 37 (6), 297.
3. (a) Termisto'teles, D.D. J. Appl. 1983, 509, 442;
4. (b) Mohamed, N. J. Pharm. Sc. 1985, 74, 831;
5. (c) Okato, K. J. Appl. 1984, 217, 97.
6. (a) Green, T.W.; Wuts, P.G.M. Protective Groups in Organic Synthesis, 2nd Ed.; Wiley: New York, 1999; 503-550 and references therein;
7. (b) Caroino, L.A. Acc. Chem. Res. 1973, 6, 191;
8. (c) Xiuo, X.Yi.; Ngu, K.; Choa, C.; Patel, D.V. J. Org. Chem. 1997, 62, 6968.
9. (a) Bosetti, A.; Cesto P.; Calderazzo, F. EP 201737, 1996;
10. (b) Rivetti, F.; Romano, U.; Sasselli, M. US Patent 4,514,339, 1985.
11. Angeles, E.; Santilla'n, A.; Martinez, I.; Ramirez, A.; Moreno, E.; Salmon, M.; Martinez, R. Synth. Commun. 1994, 24, 2441 and references therein.
12. Burk, M.J.; Allen, J.G. J. Org. Chem. 1997, 62, 7054.
13. Cenini, S.; Crotti, C.; Pizzoti, M.; Porta, F. J. Org. Chem. 1988, 53, 1243.
14. Kamal, A.; Rao, M.V.; Rao, A. Chem. Lett. 1990, 655.
15. Kocovsky, P. Tetrahedron Lett. 1986, 27, 5521.
16. Yadav, J.S.; Reddy, G.S.; Reddy, M.M.; Meshram, H.M. Tetrahedron Lett. 1998, 39, 3259.
17. Salvatore, R.N.; Shin, S.; Nagle, A.S.; Jung, K.W. J. Org. Chem. 2001, 66, 1035.
18. Porta, F.; Cenini, S. Gazz. Chim. Ital. 1985, 115, 275.
19. Keshavraja, A.; Hegde, V.R.; Pandey, B.; Ramaswamy, A.V.; Kumar, P.; Ravindranathan, T. Angew. Chem. Int. Ed. Eng. 1995, 34, 2143;
20. US patent 5,932,752, 1999.
21. Kumar, P.; Pandey, R.K. Synlett 2000, 251.
22. (a) Kumar, P.; Pandey, R.K.; Bodas, M.S.; Dongare, M.K. Synlett 2001, 206;
23. (b) Kumar, P.; Pandey, R.K.; Bodas, M.S.; Dagade S.P.; Dongare, M.K.; Ramaswamy, A.V. J. Mol. Catal. A: Chemical 2002, 181, 207.