1-Aryl-2-pyridyl-3,4-dihydronaphthalenes: Photofluorogenic Ligands for the Estrogen Receptor
摘要:
Three 1,2-substituted-3,4-dihydronaphthalenes that are pyridine analogs of the antiestrogen desmethylnafoxidine were prepared and evaluated as fluorescent ligands for the estrogen receptor. These compounds represent a class of fluorescent probes that we term ''photofluorogenic'', denoting their ability to exist initially as a high affinity though weakly fluorescent stilbazole form which can be photocyclized-oxidized to a highly fluorescent though low affinity azaphenanthrenoid form. These probes also contain an aziridine function that provides a means for their permanent, covalent attachment to the receptor. The three dihydronaphthalene systems were prepared by efficient routes from alpha-(2-, 3-, and 4-pyridyl)acetophenone precursors. They demonstrate high apparent affinity for the estrogen receptor and show time-dependent irreversible inactivation, consistent with their covalent attachment to the receptor via the aziridine function. Each system is converted into an azaphenanthrene by photocyclization-oxidation of the cis-stilbazole unit. The absorbance and fluorescence emission spectra of the dihydronaphthalene precursors and azaphenanthrene products have been characterized, and they display marked sensitivity to both solvent polarity and pH. The azaphenanthrenoids derived from the 2- and 4-pyridyl isomers exhibit intense emission at wavelengths that exceed 500 nn under certain conditions and appear to be well suited as fluorescent probes for the estrogen receptor.
New antihistaminic N-heterocyclic 4-piperidinamines. 2. Synthesis and antihistaminic activity of 1-[(4-fluorophenyl)methyl]-N-(4-piperidinyl)-1H-benzimidazol-2-amines
作者:Frans Janssens、Joseph Torremans、Marcel Janssen、Raymond A. Stokbroekx、Marcel Luyckx、Paul A. J. Janssen
DOI:10.1021/jm00150a029
日期:1985.12
The synthesis of a series of 1-[(4-fluorophenyl)methyl]-N-(4-piperidinyl)-1H-benzimidazol-2-ami nes and the preliminary evaluation of their in vivo antihistamineactivity are described. The title compounds were obtained starting from either 1, 4, 10, or 55 by different synthetic methods. Substitution on the phenyl nucleus of the benzimidazole ring (84-87) was achieved by two different approaches. The
Synthesis and pharmacological studies of 4,4-disubstituted piperidines: a new class of compounds with potent analgesic properties
作者:Bruno S. Huegi、Anton M. Ebnoether、Erwin Rissi、Fulvio Gadient、Daniel Hauser、Dietmar Roemer、Heinz H. Buescher、Trevor J. Petcher
DOI:10.1021/jm00355a010
日期:1983.1
activity. Several of these analogues show analgesic potency comparable to morphine in the mouse writhing and tail-flick tests. A number of compounds exhibit high affinity for [3H]naloxone binding sites in rat brain membranes. Among the most potent derivatives are compounds 15 and 48. Although opiate-like, attempts to modify this activity with various substituents have failed to produce antagonistic properties
Oxazepine derivatives and medicine containing the same
申请人:Ajinomoto Co., Inc.
公开号:US20020099047A1
公开(公告)日:2002-07-25
The present invention provides (R)-5,11-dihydro-5-[1-(4-methoxyphenethyl)piperidine-2-ylmethyl]dibenzo[b,e][1,4]oxazepine, (R)-5,11-dihydro-5-[1-(4-dimethylaminophenethyl)piperidine-2-ylmethyl]dibenzo[b,e][1,4]oxazepine, compounds analogous to them and pharmaceutical compositions containing such a compound. These compounds are useful for treating or preventing abnormal motor functions of gastrointestinal tracts, particularly irritable bowel syndrome.
A phenol derivative of the formula NU--A--X--R.sup.1 wherein NU is a defined phenolic nucleus including a phenyl-hydroxynaphthyl; hydroxyphenyl-naphthyl; phenyl-hydroxyindanyl, phenyl-hydroxybenzothienyl or mono-hydroxyphenyl-ethylene or vinylene nucleus; wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages, wherein R.sup.1 is hydrogen, or alkyl, alkenyl, alkynyl, cycloalkyl, halogenoalkyl, alkoxyalkyl, halogenoalkoxyalkyl, aryl or arylalkyl, or R.sup.1 is joined to R.sup.2, and wherein X is --CONR.sup.2 --, --CSNR.sup.2 --, --NR.sup.12 CO--, --NR.sup.12 CS--, --NR.sup.12 CONR.sup.2 --, ##STR1## --SO.sub.2 NR.sup.2 --or --CO--, or, when R.sup.1 is not hydrogen, is --NR.sup.12 COO--, --(PO)R.sup.2 13 , --S--, --SO--or --SO.sub.2 --, wherein R.sup.2 is hydrogen or alkyl, or R.sup.1 and R.sup.2 together form alkylene; wherein R.sup.12 is hydrogen or alkyl, and wherein R.sup.22 is hydrogen, cyano or nitro; or a salt thereof when appropriate. The compounds possess antioestrogenic activity and may be used for the treatment of hormone-dependent breast tumors or of anovulatory infertility.
structure–activity relationship study of a new 1-(arylalkyl)-11H-benzo[f]-1,2-dihydropyrido[3,2,c][1,2,5]oxathiazepine 5,5-dioxide series of antimitotic agents. The pharmacological results obtained from previous works allowed us to identify compound 1 as a new cytotoxic agent inhibiting tubulin polymerization. We have undertaken the synthesis of its non-methylated analogue 7 and have extended our investigations
在这里,我们描述了一种新的1-(芳基烷基)-11 H-苯并[ f ] -1,2-二氢吡啶并[3,2,c ] [1,2,5]奥沙西平5,5的结构-活性关系研究-二氧化系列抗有丝分裂剂。从以前的工作中获得的药理结果使我们能够将化合物1鉴定为抑制微管蛋白聚合的新细胞毒剂。我们已经进行了其非甲基化类似物7的合成,并将研究范围扩展到与结构相关的新型二苯并吡啶并恶二氧杂环丁烷系列。在这项研究中合成的所有类似物中,化合物10b最有前途,效力比化合物1高12倍。对于所有测试的组织学类型,其在一组五种肿瘤细胞系中的活性均在纳摩尔范围内,对L1210细胞进行的流式细胞术研究表明,细胞周期的G2 / M期细胞蓄积,且百分比显着四倍体细胞(DNA含量为8N)。由于抑制微管蛋白聚合而产生的这种有趣的药理作用促使我们进行了初步的体内研究。