New antifilarial agents. 1. Epoxy sulfonamides and ethynesulfonamides
摘要:
Two series of 2-substituted 1,2-epoxyethanesulfonamides 2 and ethynesulfonamides 5 were synthesized and evaluated for their antifilarial activity. The trans epoxides 2T were stereospecifically prepared by a Darzens reaction between aldehydes and halomethanesulfonamides. The cis isomers 2c were obtained from ethynesulfonamides 5 by semihydrogenation followed by KOCl epoxidation. 2-Substituted ethynesulfonamides 5 were synthesized from appropriate trans-ethenesulfonamides by a bromination/dehydrobromination sequence. These products, as well as several synthetic intermediates, were evaluated for antifilarial activity against Molinema dessetae either in vivo in its natural host, the rodent Proechimys oris, or in vitro by a new test using cultures of the infective larvae. Most of the epoxides 2T and acetylenic derivatives 5 bearing a 2-aryl substituent were active in vitro. Among these compounds, four epoxides 2T and one acetylenic derivative 5 showed marked macrofilaricidal activity in vivo without any microfilaricidal activity. The differences between the in vivo and in vitro results may be due, in part, to the low chemical stability of the epoxy sulfonamides 2T. Despite this limitation, the activities observed in this reliable animal model suggest further development and testing of both series 2T and 5 as macrofilaricides.
[EN] DUAL NK1/NK3 ANTAGONISTS FOR TREATING SCHIZOPHRENIA<br/>[FR] ANTAGONISTES DOUBLES DES RECEPTEURS NK1/NK3 POUR TRAITER LA SCHIZOPHRENIE
申请人:HOFFMANN LA ROCHE
公开号:WO2005002577A1
公开(公告)日:2005-01-13
The use of compounds of the general formula wherein the substituents are as described in claim 1 or pharmaceutically active acid-addition salts thereof for the preparation of medicaments for the treatment of schizophrenia.
使用一般式化合物,其中取代基如权利要求1中所述,或其药用活性酸盐,用于制备治疗精神分裂症的药物。
SUBSTITUTED PYRIMIDINES AND TRIAZINES AND THEIR USE IN CANCER THERAPY
申请人:Rewcastle Gordon William
公开号:US20110053907A1
公开(公告)日:2011-03-03
Provided herein are substituted pyrimidine and triazine derivatives, including bicyclic pyrimidine derivatives, their pharmaceutical compositions, their preparation, and their use as agents or drugs for cancer therapy, either alone or in combination with radiation and/or other anticancer drugs. In one embodiment, the pyrimidine and triazine derivatives are morpholino-pyrimidine, morpholino-triazine, pyridyl-pyrimidine, and pyridyl-triazine derivatives which are selective irreversible inhibitors of the p110α isoform of PI3K.
The present invention provides a method for the treatment of schizophrenia which comprises administering a compound of formula
wherein the substituents are as described herein or a pharmaceutically active acid-addition salt thereof. In particular, the invention provides methods for treating both positive and negative symptoms of schizophrenia through dual inhibition of NK1 and NK3 receptors. The invention also provides novel compounds with formula I and methods for preparing compounds of the invention.