144873-97-2Relevant academic research and scientific papers
The synthesis of radiolabeled Irbesartan using N,N-dimethyl[ 14C]formamide as a source of carbon-14 isotope
Ekhato, I. Victor,Bonacorsi Jr., Samuel
, p. 202 - 205 (2012/05/20)
Irbesartan (Avapro) is in clinical use as an antihypertensive drug. It is a nonpeptide angiotensin II receptor antagonist. A radiolabeled version of this drug, intended for use in environmental fate studies, was prepared from N,N-dimethyl[14C]f
DUAL-ACTING THIOPHENE, PYRROLE, THIAZOLE AND FURAN ANTIHYPERTENSIVE AGENTS
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Page/Page column 34; 35, (2011/08/04)
In one aspect, the invention relates to compounds having the formula:wherein: Ar, Z, R3, R4 and R5 are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have AT1 receptor antagonist activity and neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and process and intermediates for preparing such compounds.
DUAL-ACTING OXAZOLE ANTIHYPERTENSIVE AGENTS
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Page/Page column 22, (2011/02/18)
In one aspect, the invention relates to compounds having the formula: wherein: Ar, Z, R3, R4 and R5 are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have AT1 re
DUAL-ACTING ANTIHYPERTENSIVE AGENTS
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Page/Page column 52, (2010/02/17)
In one aspect, the invention relates to compounds having the formula: wherein: Ar, r, Z, X, R3, and R5-7 are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have AT1 receptor antagonist activity and neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and process and intermediates for preparing such compounds.
PROCESSES FOR THE SYNTHESIS OF 5-PHENYL -1 TRITYL-1H-TETRAZOLE
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Page/Page column 14, (2010/11/30)
Provided are processes for the synthesis of 5 -phenyl- 1-trityl-lH-tetrazole, an intermediate useful in the synthesis of irbesartan.
METHOD FOR THE PRODUCTION OF LOSARTAN
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Page/Page column 16; 35, (2008/06/13)
The invention relates to a novel method for the production of losartan, an imidazol derivative with the chemical name 2-n-butyl-4-chloro-5-hydroxymethyl-1-{[2'-(1H-tetrazol-5-yl)biphenyl-4-]methyl}imidazol and the pharmacologically active salts thereof. The invention also relates to novel intermediate products which are suitable for the production of losartan, and to novel methods for the production of intermediate compounds which are suitable for the production of losartan. One aspect of the invention is a method for the production of a compound of general formula (I), which can arise as an intermediate step in the inventive representation of losartan.
METHOD FOR PRODUCTION OF CANDESARTAN
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Page/Page column 26, (2010/11/08)
The invention relates to novel methods for the production of Candesartan, or a protected form of Candesartan, a Candesartan salt or ester, compounds of application in said method, methods for production thereof, use thereof in said method, a novel polymorph of Candesartan cilexetil, a method for production and use thereof for production of a medicament.
NOVEL SYNTHESIS OF IRBESARTAN
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Page 12-13, (2008/06/13)
Provided are a method of making irbesartan via a Suzuki coupling reaction and a novel intermediate, 2-butyl-3-(4'-bromobenzyl)-1,3-diazaspiro[4.4]non-1-ene-4-one, for such process. The novel process includes the step of reacting such intermediate with a protected imidazolephenylboronic acid.
5-aryleheteroarylalkyl-1,3,5-trisubstituted-1,2,4-triazole compounds for treatment of circulatory disorders
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, (2008/06/13)
A class of 5-arylheteroarylalkyl-1,3,5-trisubstituted-1,2,4-triazole compounds is described for use in treatment of circulatory disorders such as hypertension. Compounds of particular interest are angiotensin II antagonists of the formula wherein A is selected from wherein m is one; wherein R1 is selected from ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 4-methylbutyl, n-pentyl, neopentyl, benzyl, cyclohexyl, cyclohexylmethyl, 2-butenyl, 3-butenyl, 2-butynyl, 3-butynyl and 2-hydroxybutyl; wherein R2 is selected from ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, 4-methylbutyl, tert-butyl, n-pentyl, neo-pentyl, 1-oxoethyl, 1-oxopropyl, 1-oxobutyl, 1-oxopentyl, 1,1-dimethoxypropyl, 1,1-dimethoxypentyl, halo, difluoromethyl, 1-oxo-2-phenylethyl, 1-oxo-2-cyclohexylethyl, 1,1-difluoro-2-phenylethyl, 1,1-difluoro-2-cyclohexylethyl, 2-cyclohexylethyl, 1,1-difluoro-3-cyclohexylpropyl, 1,1-dimethoxybutyl, 1,1-difluoroethyl, 1,1-difluoropropyl, 1,1-difluorobutyl, 1,1-difluoropentyl, benzyl, 2-phenylethyl, 1,1-difluoro-3-phenylpropyl, cyclohexylmethyl, cyclohexanoyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-butynyl, 2-butynyl, 3-butynyl, propylthio and butylthio; wherein each of R3, R4, R6 through R11 is hydrido and R5 is selected from COOH, SH, PO3H2, SO3H, CONHNH2, CONHNHSO2CF3, OH, wherein each of R42 and R43 is independently selected from chloro, cyano, nitro, trifluoromethyl, methoxycarbonyl and trifluoromethylsulfonyl.
N-ARYLHETEROARYLALKYL IMIDAZOL-2-ONE COMPOUNDS FOR TREATMENT OF CIRCULATORY DISORDERS
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, (2008/06/13)
A class of N-arylheteroarylalkyl imidazol-2-one compounds is described for use in treatment of circulatory disorders such as hypertension and congestive heart failure. Compounds of particular interest are angiotensin II antagonists of the formula STR1 wherein A is selected from STR2 wherein m is one; wherein R 1 is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 4-methylbutyl, 2-ethylbutyl, n-pentyl, neopentyl, phenyl, methylphenyl, difluorophenyl, benzyl, phenethyl, cyclohexyl, cyclohexylmethyl, cyclohexylethyl, cyclohexanoyl, 1-oxo-2-cyclohexylethyl, benzoyl, 1-oxo-2-phenethyl, 1-oxopropyl, 1-oxobutyl, 1-oxopentyl and 2-hydroxybutyl; wherein R 0 is hydrido; wherein R 2 is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, neopentyl, phenyl, benzyl, phenethyl, cyclohexyl, cyclohexylmethyl, propylthio, butylthio, and hydroxyalkyl; wherein each of R 3, R 4, R 6, R 7, R. sup.8, R 9, R 10 and R. sup.11 is hydrido and R 5 must be selected from COOH, SH, P0 3 H. sub.2, SO 3 H, CONHNH 2, CONHNHSO 2 CF 3, OH, STR3 wherein each of R 42 and R 43 is independently selected from chloro, cyano, nitro, trifluoromethyl, methoxycarbonyl and trifluoromethylsulfonyl; or a tautomer thereof or a pharmaceutically-aceptable salt thereof.
