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Triazolylbenzophenone derivatives and production thereof

Assignee: Shionogi and Co Ltd
•
Filing: 1977-12-15
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Granted: 1979-04-03
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Expires: 1997-12-15
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Abstract

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

Inventors

  • 👤 Kentaro Hirai
  • 👤 Toshio Fujishita
  • 👤 Teruyuki Ishiba
  • 👤 Hirohiko Sugimoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:15
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/70; C07D239/72; C07D239/86; C07D239/88; C07D239/92; C07D249/00; C07D249/02; C07D249/08; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06008; C07K5/06017; C07K5/06026; C07K5/06078; A; A61; A61K; A61K38/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 185 words
A process for preparing a compound of the formula: ##STR27## wherein R represents hydrogen, C 1 -C 6 alkyl, C 1 -C 6 chloro-alkyl, C 1 -C 6 bromo-alkyl, C 1 -C 6 fluoro-alkyl, C 1 -C 6 iodo-alkyl, the group - (CH 2 ) n --X--R 5 , or the group ##STR28## R 5 represents hydrogen, C 1 -C 6 alkyl, vinyl, allyl, butenyl, pentenyl, hexenyl, ethynyl, propynyl, butynyl, pentynyl, phenyl, tolyl, xylyl, pyridyl, formyl, acetyl, propionyl, benzoyl, carbobenzoxy, glycyl, alanyl, leucyl or phenylalanyl; X represents sulfur or oxygen; n represents zero, 1, 2 or 3; R 6 and R 7 each represents hydrogen or C 1 -C 6 alkyl; or the group ##STR29## represents pyrrolidino; R 1 represents hydrogen or halogen; R 2 represents halogen, nitro, or trifluoromethyl; R 4 and R 8 each represents hydrogen, C 1 -C 6 alkyl, or C 7 -C 10 aralkyl, which comprises hydrazinolyzing a phthalyl derivative of the formula: ##STR30## wherein M represents phthalimido and R, R 1 , R 2 , R 4 and R 8 each is as defined above in an inert solvent.
Claim 2
Dependent Claim 185 words
A process for preparing a compound of the formula: ##STR27## wherein R represents hydrogen, C 1 -C 6 alkyl, C 1 -C 6 chloro-alkyl, C 1 -C 6 bromo-alkyl, C 1 -C 6 fluoro-alkyl, C 1 -C 6 iodo-alkyl, the group - (CH 2 ) n --X--R 5 , or the group ##STR28## R 5 represents hydrogen, C 1 -C 6 alkyl, vinyl, allyl, butenyl, pentenyl, hexenyl, ethynyl, propynyl, butynyl, pentynyl, phenyl, tolyl, xylyl, pyridyl, formyl, acetyl, propionyl, benzoyl, carbobenzoxy, glycyl, alanyl, leucyl or phenylalanyl; X represents sulfur or oxygen; n represents zero, 1, 2 or 3; R 6 and R 7 each represents hydrogen or C 1 -C 6 alkyl; or the group ##STR29## represents pyrrolidino; R 1 represents hydrogen or halogen; R 2 represents halogen, nitro, or trifluoromethyl; R 4 and R 8 each represents hydrogen, C 1 -C 6 alkyl, or C 7 -C 10 aralkyl, which comprises hydrazinolyzing a phthalyl derivative of the formula: ##STR30## wherein M represents phthalimido and R, R 1 , R 2 , R 4 and R 8 each is as defined above in an inert solvent.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-04-02 1982-10-02 1983-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-04-02 1986-10-02 1987-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-04-02 1990-10-02 1991-04-03 $7700.00 Window Closed / Lapsed

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