Vilsmeier Formylation of Hydrazones and Semicarbazones Derived from Alkyl, Benzyl, and Cycloalkyl Methyl Ketones
作者:A. V. Lebedev、A. B. Lebedeva、V. D. Sheludyakov、E. A. Kovaleva、O. L. Ustinova、I. B. Kozhevnikov
DOI:10.1007/s11176-005-0241-y
日期:2005.3
Formylation of ten accessible phenylhydrazones and semicarbazones derived from alkyl, benzyl, and cycloalkyl methyl ketones with the complex of POCl3 with dimethylformamide was studied. Depending on the electronic and steric structure of the substrates, the reaction yields 1-phenyl- or 1-unsubstituted 3,4-dialkyl-, 3-alkyl-4-aryl-, or 3-alkyl-4-formylpyrazoles. These compounds can be readily oxidized
The present invention provides selective 5-HT
7
receptor antagonist compounds of Formula I and their use in the treatment of migraine:
where A is —C(H)═ or —N═ and R
1-7
are as defined herein.
2-[4-(PYRAZOL-4-YLALKYL)PIPERAZIN-1-YL]-3-PHENYL PYRAZINES AND PYRIDINES AND 3-[4-(PYRAZOL-4-YLALKYL)PIPERAZIN-1-YL]-2-PHENYL PYRIDINES AS 5-HT7 RECEPTOR ANTAGONISTS
申请人:Badescu Valentina O.
公开号:US20100120785A1
公开(公告)日:2010-05-13
The present invention provides selective 5-HT
7
receptor antagonist compounds of Formula I and their use in the treatment of migraine, persistent pain, and anxiety: where A and B are each independently C(H)═ or N═, provided that at least one of A and B is —N═, n is 1-3, m is 0-3, and R
14
are as defined herein.
The present invention provides selective 5-HT7 receptor antagonist compounds of Formula I and their use in the treatment of migraine:
where A is —C(H)═ or —N═ and R1-7 are as defined herein.
2-[4-(pyrazol-4-ylalkyl)piperazin-1-yl]-3-phenyl pyrazines as 5-HT7 receptor antagonists
申请人:Eli Lilly and Company
公开号:US08202873B2
公开(公告)日:2012-06-19
The present invention provides selective 5-HT7 receptor antagonist compounds of Formula I and their use in the treatment of migraine, persistent pain, and anxiety:
where A and B are each independently —C(H)═ or —N═, provided that at least one of A and B is —N═, n is 1-3, m is 0-3, and R1-4 are as defined herein.