An efficient one pot synthesis of n, n-disubstituted unsymmetrical ureas and carbamates

Organic Preparations and Procedures International

Volumn 28, Issue 2, 1996, Pages 173-177

  Choy, N ^a   Moon, K Y ^a   Park, C ^a   Son, Y C ^a   Jung, W H ^a   Choi, Hoil ^a   Lee, C S ^a   Kim, C R ^a   Kim, S C ^a   Yoon, H ^a  

^a LG Chemical Ltd   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

ONE-POT SYNTHESIS;

UREA;

EID: 0030552030     PISSN: 00304948     EISSN: 19455453     Source Type: Journal    
DOI: 10.1080/00304949609356518     Document Type: Article

References (13)

1. M. V. Hosur, T. N. Bhat, D. J. Kempf, E. T. Baldwin, B. Liu, S. Gulnik, N. E. Wideburg, D. W. Norbeck, K. Appelt and J. W. Erickson, J. Am. Chem. Soc., 116, 847 (1994).
2. R. A. Stachell and D. P. N. Stachell, Chem. Soc. Rev., 4, 231 (1975).
3. J. S. Nowick, N. A. Powell, T. M. Nguyen and G. Noronha, J. Org. Chem., 57, 7364 (1992).
4. V. G. Matassa, T. P. Maduskuie, H. S. Shapiro, B. Hesp, D. W. Snyder, D. Aharony, R. Krell and R. A. Keith, J. Med. Chem., 33,1781 (1990).
5. K. Takeda and H. Ogura, Synth. Comm., 12, 213 (1982).
6. K. Konda, S. Yokoyama, N. Miyoshi, S. Murai and N. Sonoda, Angew. Chem. Int. Ed., 18,692 (1979).
7. T. Petrzilka, C. Fehr and G. Schmid, Helv. Chim. Acta, 59,1988 (1976).
8. H. R. Kricheldorf, Synthesis, 649 (1970).
9. A. Basha, Tetrahedron Lett., 29, 2525 (1988).
10. 3): 8 1.40 (s, 3H), 1.42 (s, 3H), 2.03 (s, 3H), 4.43 (d, 1H), 5.21 (dd, 2H), 6.03 (d, 1H), 7.32-7.73 (m, 7H), 8.23 (d, 2H).
11. 3): 8 1.40 (s, 3H), 1.42 (s, 3H), 2.03 (s, 3H), 3.90 (s, 1H), 5.21 (dd, 2H), 7.45 (m, 5H).
12. A. K. Ghosh, T. T. Duong and S. P. Mckee, Tetrahedron Lett., 32,4251 (1991).
13. A. K. Ghosh, T. T. Duong, S. P. Mckee and W. J. Thompson, Tetrahedron Lett., 33,2781 (1992).