Shionogi Company Limited

Hirohiko Sugimoto

Kentaro Hirai

Teruyuki Ishiba

Kazuyuki Sasakura

Tamio Fujiwara

Hiroshi Matsumoto

Masaru Ogata

Toshio Fujishita

Akihiko Sato

Ken-ichi Sugita

An imidazole derivative represented by general formula (I) or a salt thereof, having the effect of specifically inhibiting the growth of HIV as a pathogenic virus and being reduced in toxicity. In said formula R.sup.1 represents hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.7) alkenyl, C.sub.4 -C.sub.12 cycloalkylalkyl, etc.; R.sup.2 represents C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 acyl, hydroxyiminomethyl, hydrazonomethyl or --(CH.sub.2)n--R.sup.4 (R.sup.4 being halogeno, alkoxy, hydroxy, etc.; and n being an integer of 1 to 3); R.sup.3 represents substituted or unsubstituted C.sub.1 -C.sub.6 alkyl; X and Y represent each independently hydrogen, C.sub.1 -C.sub.3 alkyl, halogeno, or nitro; and Z represents S, SO, SO.sub.2 or CH.sub.2. ##STR1##

Imidazole derivatives as anti-HIV agents

A novel imidazole derivatives of formula I: ##STR1## wherein R.sup.1 is hydrogen, alkyl, halogen, or optionally substituted aryl; R.sup.2 is alkyl, optionally substituted aryl optionally substituted aralkyl, or optionally substituted hetero ring group; R.sup.3 is hydrogen, alkyl, optionally substituted aryl, optionally substituted aralkyl, or optionally substituted hydroxyalkyl; R.sup.4 is hydrogen, alkyl, halogen, acyl, optionally substituted hydroxyalkyl, optionally esterified or amidated carboxyl group, hydroxy group, aryl or arylthio; X is S, SO, SO.sub.2, CH.sub.2, or Se; n is an integer of 1 to 3, or a pharmaceutically acceptable salt thereof, said derivative having anti-HIV activity and being useful for the treatment of HIV infections.

Imidazole derivatives having anti-HIV activity

Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.sup.2 optionally combine to from C.sub.2 -C.sub.4 alkylene group, group ##STR2## optionally represents phthalimido group, piperidino group, 4-hydroxy-4-(p-halogenophenyl)piperidino, morpholino, or piperazino group substituted by C.sub.1 -C.sub.6 alkyl group or phenyl group, A ring represents benzene ring or pyridine ring optionally substituted by halogen and B ring represents benzene ring or thiophene ring optionally substituted by halogen, trifluoromethyl group, methylsulfonyl group, nitro group or C.sub.1 -C.sub.6 alkyl group and their acid addition salts, being useful as anxiolytics, sedatives, anticonvulsants, hypnotics, muscle relaxants, or their synthetic intermediates, are prepared.

Dipeptide derivatives and their production

Triazolyl ketone derivatives of the formula: ##STR1## (wherein R represents lower alkoxy or the group ##STR2## R.sup.4 and R.sup.5 each represents hydrogen, lower alkyl, ##STR3## represents hetero ring selected from pyrrolidino, piperidino, and morpholino; R.sup.1 represents halogen or nitro; R.sup.2 represents hydrogen or lower alkyl; R.sup.3 represents lower alkyl, phenyl, or the group ##STR4## R.sup.6 represents hydrogen, lower alkyl, or benzyl; R.sup.7 and R.sup.8 each represents hydrogen, lower alkyl, or ##STR5## represents hetero ring selected from pyrrolidino, piperidino, and morpholino; and Ar represents phenyl, o-halogenophenyl, or 2-pyridyl) and their pharmaceutically acceptable acid addition salts, being useful as anxiolytics, hypnotics, anticonvulsants, muscle relaxants, or their synthetic intermediates, are prepared by several routes.

Triazolylphenyl ketone derivatives and production thereof

Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.sup.2 optionally combine to form C.sub.2 -C.sub. 4 alkylene group, group ##STR2## optionally represents phthalimido group, piperidino group, 4-hydroxy-4-(p-halogenophenyl)piperidino, morpholino, or piperazino group each substituted by C.sub.1 -C.sub.6 alkyl group or phenyl group, A ring represents benzene ring or pyridine ring optionally substituted by halogen and B ring represents benzene ring or thiophene ring optionally substituted by halogen, trifluoromethyl group, methylsulfonyl group, nitro group or C.sub.1 -C.sub.6 alkyl group and their acid addition salts, being useful as anxiolytics, sedatives, anticonvulsants, hypnotics, muscle relaxants, or their synthetic intermediates, are prepared.

Triazolylbenzophenone derivatives of the formula: ##STR1## (wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 halo-alkyl, the group --(CH.sub.2).sub.n --X--R.sup.5, or the group ##STR2## R.sup.5 represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, C.sub.6 -C.sub.10 aryl, or C.sub.2 -C.sub.8 acyl; X represents sulfur or oxygen; n represents 0, 1, 2, or 3; R.sup.6 and R.sup.7 each represents hydrogen or C.sub.1 -C.sub.6 alkyl; or the group ##STR3## represents pyrrolidino, piperidino, morpholino, or .gamma.-methylpiperazino; R.sup.1 represents hydrogen or halogen; R.sup.2 represents halogen, nitro, or trifluoromethyl; R.sup.3 represents C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 halo-alkyl, C.sub.1 -C.sub.6 azido-alkyl, C.sub.6 -C.sub.10 aryl, C.sub.2 -C.sub.8 acyl, or the group ##STR4## R.sup.4 and R.sup.8 each represents hydrogen, C.sub.1 -C.sub.6 alkyl, or C.sub.7 -C.sub.10 aralkyl; R.sup.9 represents hydrogen or C.sub.1 -C.sub.6 alkyl; R.sup.10 represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.7 -C.sub.10 aralkyl, or C.sub.2 -C.sub.11 .alpha.-amino-acyl; or the group ##STR5## represents phthalimido, pyrrolidino, piperidino, morpholino, or .gamma.-methylpiperazino) and their pharmaceutically acceptable acid addition salts, useful as anxiolytics, sedatives, hypnotics, anticonvulsants, muscle relaxants, antidepressants, their synthetic intermediates, and their preparation.

Triazolylbenzophenone derivatives and production thereof

Process for producing triazolylbenzophenone derivatives

Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.sup.2 optionally combine to from C.sub.2 -C.sub.4 alkylene group, group R.sup.2 --N--R.sup.3 optionally represents phthalimido group, piperidino group, 4-hydroxy-4-(p-halogenophenyl)piperidino, morpholino, or piperazino group substituted by C.sub.1 -C.sub.6 alkyl group or phenyl group, A ring represents benzene ring or pyridine ring optionally substituted by halogen and B ring represents benzene ring or thiophene ring optionally substituted by halogen, trifluoromethyl group, methylsulfonyl group, nitro group or C.sub.1 -C.sub.6 alkyl group and their acid addition salts, being useful as anxiolytics, sedatives, anticonvulsants, hypnotics, muscle relaxants, or their synthetic intermediates, are prepared.

Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.sup.2 optionally combine to from C.sub.2 -C.sub.4 alkylene group, ##STR2## optionally represents phthalimido group, piperidino group, 4-hydroxy-4-(p-halogenophenyl)piperidino, morpholino, or piperazino group substituted by C.sub.1 -C.sub.6 alkyl group or phenyl group, A ring represents benzene ring or pyridine ring optionally substituted by halogen and B ring represents benzene ring or thiophene ring optionally substituted by halogen, trifluoromethyl group, methylsulfonyl group, nitro group or C.sub.1 -C.sub.6 alkyl group and their acid addition salts, being useful as anxiolytics, sedatives, anticonvulsants, hypnotics, muscle relaxants, or their synthetic intermediates, are prepared.

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Ikeda, Japan

Hirohiko Sugimoto