KEMP, D. S.;CARTER, JEFFERY S., TETRAHEDRON. LETT., 28,(1987) N 40, 4645-4648
作者:KEMP, D. S.、CARTER, JEFFERY S.
DOI:——
日期:——
KEMP, D. S.;CARTER, JEFFERY S., J. ORG. CHEM., 54,(1989) N, C. 109-115
作者:KEMP, D. S.、CARTER, JEFFERY S.
DOI:——
日期:——
Amino acid derivatives that stabilize secondary structures of polypeptides. 4. Practical synthesis of 4-(alkylamino)-3-cyano-6-azabicyclo[3.2.1]oct-3-enes (ben derivatives) as .gamma.-turn templates
作者:Daniel S. Kemp、Jeffery S. Carter
DOI:10.1021/jo00262a026
日期:1989.1
Amino acid derivatives that stabilize secondary structures of polypeptides—IV. Practical synthesis of 4-alkyamino-3-cyano-azabicyclo[3.2.1.]oct-3-enes (Ben derivatives) as γ-turn templates
作者:D.S. Kemp、Jeffrey S. Carter
DOI:10.1016/s0040-4039(00)96586-9
日期:1987.1
Ben derivatives have been prepared in five steps from 4-hydroxyproline by Barton cyanoethylation, ring closure, and derivitization. Proof of absolute configuration and practical synthesis of pure Ben enantiomers are described.