New convenient synthesis of .beta.,.beta.-difluoro amines and .beta.,.beta.-difluoro-.alpha.-amino acid alkyl esters by the addition of hydrogen fluoride on 1-azirines
作者:Tamsir N. Wade、Rabia Kheribet
DOI:10.1021/jo01314a024
日期:1980.12
WADE T.; GUED R., TETRAHEDRON LETT., 1979, NO 41, 3953-3954
作者:WADE T.、 GUED R.
DOI:——
日期:——
WADE T. N.; KHERIBET R., J. ORG. CHEM., 1980, 45, NO 26, 5333-5335
作者:WADE T. N.、 KHERIBET R.
DOI:——
日期:——
WADE, TAMSIR, NDIKE
作者:WADE, TAMSIR, NDIKE
DOI:——
日期:——
Fluorinated amino acids and peptides. Synthesis of 3,3-difluoro-2-amino acids, peptides and cyclodipeptides incorporating 3,3-difluoro-2-aminobutyric acid or 3,3-difluorophenylalanine residues in their structures
bonyl-DL-3,3-difluorophenylalanine which have been successfully introduced into peptide syntheses. Several fluorinated peptides have been obtained either by activeester coupling methods, mixed anhydride synthesis or with the aid of dicyclohexylcarbodiimide (DCC) in presence of 1-hydroxybenzotriazole (HOBt). The method has been applied to the preparation of seven hitherto unpublished representative