Patent number: 5446139
Abstract: The invention concerns nucleoside derivatives of the formula I ##STR1## in which Ba signifies an indolyl (A), benzimidazolyl (B), pyrrolopyridinyl (C), imidazopyridinyl (D), triazolopyrimidinyl (E), imidazotriazinyl (F) or imidazopyrimidinyl (G) group substituted by R.sup.1, R.sup.2 and R.sup.3, in which R.sup.1, R.sup.2 and R.sup.3, which can be the same or different, signify hydrogen, halogen, a C.sub.1 -C.sub.7 -alkyl, C.sub.2 -C.sub.7 -alkenyl, hydroxy, mercapto, C.sub.1 -C.sub.7 -alkylthio, C.sub.1 -C.sub.7 -alkoxy, C.sub.2 -C.sub.7 -alkenyloxy, ar-C.sub.1 -C.sub.5 -alkyl, ar-C.sub.2 -C.sub.5 -alkenyl, ar-C.sub.1 -C.sub.5 -alkoxy, ar-C.sub.2 -C.sub.5 -alkenyloxy, aryloxy, nitro, amino-C.sub.1 -C.sub.7 -alkyl, C.sub.1 -C.sub.7 -alkylamino-C.sub.1 -C.sub.7 -alkyl, di-C.sub.1 -C.sub.7 -alkylamino-C.sub.1 -C.sub.7 -alkyl, amino, a substituted amino group --NMR.sup.4 or --N(R.sup.4).sub.2 or an imino group --N.dbd.CH--R.sup.4, and R.sup.4 has the meaning given in the description, R.sup.5, R.sup.6, R.sup.
Type:
Grant
Filed:
February 21, 1992
Date of Patent:
August 29, 1995
Assignee:
Boehringer Mannheim GmbH
Inventors:
Frank Seela, Werner Bourgeouis, Rainer Gumbiowski, Angelika Roling, Helmut Rosemeyer, Alfred Mertens, Harald Zilch, Bernhard Konig, Edith Koch