TH38791A - Amino acid derivatives - Google Patents

Abstract

Substances having a formula (chemical formula) where R3 Lcoxi carbonyl, Eralcoxi carbonyl; Alkyl, eral canoyl, heterocyclic carbonyl or group with the formula R6 instead of alkyl, cycloalkyl alkyl Or eralcicyl; R3 instead of hydrogen and R4 for hydroxy, or R3 and R4 together represent oxo; R5 for alkoxy carbonyl. Or alkyl carbamoil; R6 and R7 together instead of trimethylene or tetramethylene that may be chosen. To be replaced by alkyls or on adjacent carbon atoms By tetramethylene; R8 stands for alcoxi carbonyl, eralcoxi carbonyl, alkanoil, eroil, eral canoil or hate. Pterocyclic carbonyl; And R6 stands for alkyl, cycloalkyl, cycloalkyl alkyl, eralkyl, cyanoalkyl, carbamoyl alkyl. , Alkyl thiolkyl, alkoxyl kyl or alkoxy carbonyl alkyl, and acidic salt Pharmacy of formulated I compounds with bases, inhibits aspart. Become infected with viral origin and can be used in drug form. For the prevention or treatment of viral infections, the substance can be produced according to commonly known methods, patents, drugs.

Claims (1)

1.Process for the production of commonly formulated substances (Chemical formula) (a) for the production of a substance with formula I, where R1 represents alkoxy carbonyl or eralccarbonyl, R3 for hydrogen and R4 for hydroxyl, reacts. A substance with a general formula (chemical formula) (b) reacts a substance with a general formula (chemical formula) (c) for the production of a substance with formula I, where R2 represents a group with formula (i) reacts. (Chemical formula) (d) for the production of a substance with formula I, where R3 and R4 together represent oxy, oxidizing substances with formula I, where R3 replaces hydrogen and R4 instead of hyotax: Drug patent.