- Efficient syntheses of exo-granisetron hydrochloride and other potential impurities present in granisetron hydrochloride, an anti-emetic drug
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European Pharmacopeia mentions about nine potential impurities in Granisetron hydrochloride. These impurities need to be controlled in the API as described in the Pharmacopeia. Elegant syntheses of four potential impurities in Granisetron hydrochloride are disclosed.
- Vishnu, Eda V.R.,Joseph, Suju,Srinivasana, Abayee K.,Gania, Ramesh S.,Reddy, Govindabur R.,Rao, Patakokila V.,Dahanukara, Vilas H.,Ramanatham, Josyula,Devanna, Nayakanti
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experimental part
p. 722 - 727
(2012/05/04)
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- 2 -ALKYL- INDAZOLE COMPOUNDS FOR THE TREATMENT OF CERTAIN CNS-RELATED DISORDERS
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2-Alkyl-indazole compound and its pharmaceutically acceptable salts of acid addition, method and intermediates for preparing them, a pharmaceutical composition containing them and use of the latter. The 2-alkyl-indazole compound has the following general formula (I) in which R1, R2, R3, R4, R6, R7, X, Y, W, n, p, and m have the meanings stated in the description.
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Page/Page column 20
(2008/12/05)
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- Convenient method for the 3-functionalization of isoindazoles
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The C-3 position of isoindazoles is readily functionalized by metalation with lithium diisopropylamide followed by reaction with a variety of electrophiles. Copyright Taylor & Francis LLC.
- Bunnell, Aaron,O'Yang, Counde,Petrica, Andra,Soth, Michael J.
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p. 285 - 293
(2007/10/03)
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- VLA-4 INHIBITORS
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The present invention relates to a compound represented by the following formula (I): (wherein, W represents WA-A1 -WB - (in which, WA is substituted or unsubstituted aryl, etc., A1 is -NR1-, single bond, -C(O)-, etc., and WB is substituted or unsubstituted arylene, etc.), R is single bond, -NH-, -OCH2-, alkenylene, etc., X is -C(O) -CH2-, etc., and M is, for example, the following formula: (in which, R11, R12 and R13 each independently represents hydrogen, hydroxyl, amino, halogen, etc., R14 is hydrogen or lower alkyl, Y represents -CH2-O-, etc., Z is substituted or unsubstituted arylene, etc., A2 is single bond, etc, and R10 is hydroxyl or lower alkoxy)), or salt thereof; and a medicament containing the same. This compound or salt thereof selectively inhibits binding of cell adhesion molecules to VAL-4 and exhibits high bioavailability so that it is useful as a preventive and/or remedy for inflammatory diseases, autoimmune diseases, metastasis, bronchial asthma, rhinostenosis, diabetes, and the like.
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