摘要 |
<p>This invention is directed to a process for preparing a pseudotetrapeptide of formula Ior a salt or prodrug thereof whereinis optionally nitrogen protected azaheterocyclyl;is a single or double bond; q is 1-5; B is alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, aralkyl, alkylaryl, or alkylaralkyl; Q2 is H or a carboxylic acid protecting group; J is -H, alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, substituted aryl, aralkyl, substituted aralkyl; L is OR1, or NR1R2, where R1 and R2 are independently -H, alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, aralkyl, alkylaryl or alkylaralkyl; and p is 1 or 2 which comprises the coupling of two dipeptides or psuedopeptides.</p> |
申请人 |
AVENTIS PHARMACEUTICALS PRODUCTS INC. |
发明人 |
MENCEL, JAMES, J.;STAMMLER, ROBERT;DAUBIE, CHRISTOPHE;LAVIGNE, MICHEL;VANASSE, BENOIT, J.;LIU, ROBERT, C.;LEON, PATRICK;D'NETTO, GEOFFREY, A.;SLEDESKI, ADAM, W. |