申请人:Richardson-Merrell, Inc.
公开号:US04073904A1
公开(公告)日:1978-02-14
Disclosed are novel compounds and pharmaceutical formulations having antiviral activity. The disclosed compounds have the formula ##STR1## wherein one R.sup.2 is a hydrogen atom and the other R.sup.2 is the radical ##STR2## A is a straight chain alkylene group having 2 or 3 carbon atoms and each R.sup.3 and R.sup.4 is a hydrogen atom, and alkyl radical having 1 to 3 carbon atoms or each set of R.sup.3 and R.sup.4 taken together with the nitrogen atom to which they are attached is a saturated monocyclic heterocyclic group. Also included are the acid addition salts of these bases. These compounds may be prepared by various methods which are described.
本发明涉及一种具有抗病毒活性的新化合物和制药配方。所述化合物的式子为##STR1##其中一个R.sup.2为氢原子,另一个R.sup.2为基团##STR2##A为直链烷基,具有2或3个碳原子,每个R.sup.3和R.sup.4为氢原子,或具有1到3个碳原子的烷基基团,或每个R.sup.3和R.sup.4与它们所连接的氮原子一起构成饱和的单环杂环基团。还包括这些碱的酸盐。这些化合物可以通过各种方法制备,这些方法已经被描述。