Bicyclic core estrogens as full antagonists: synthesis, biological evaluation and structure–activity relationships of estrogen receptor ligands based on bridged oxabicyclic core arylsulfonamides
作者:Manghong Zhu、Chen Zhang、Jerome C. Nwachukwu、Sathish Srinivasan、Valerie Cavett、Yangfan Zheng、Kathryn E. Carlson、Chune Dong、John A. Katzenellenbogen、Kendall W. Nettles、Hai-Bing Zhou
DOI:10.1039/c2ob26531a
日期:——
Compounds that block estrogen action through the estrogenreceptor (ER) or downregulate ER levels are useful for the treatment of breast cancer and endocrine disorders. In our search for structurally novel estrogens having three-dimensional corescaffolds, we found some compounds with a 7-oxabicyclo[2.2.1]heptene core that bound well to the ERs. The best of these compounds, a phenyl sulfonate ester
通过雌激素受体 (ER) 阻断雌激素作用或下调 ER 水平的化合物可用于治疗乳腺癌和内分泌疾病。在我们寻找具有三维核心支架的结构新颖雌激素时,我们发现了一些具有 7-氧杂双环 [2.2.1] 庚烯核心的化合物,这些化合物与 ER 结合良好。这些化合物中最好的一种,苯磺酸酯(称为氧杂双环庚烯磺酸盐的 OBHS),是 ERα 和 ERβ 的部分拮抗剂。尽管 OBHS 与其他雌激素拮抗剂在结构上没有相似之处,但它似乎通过稳定 ER 的新构象来实现其部分拮抗剂特征,该构象涉及螺旋 11 的显着扭曲。为了增强这些氧杂双环[2.2.1]庚烷核心配体的拮抗剂特性,2 NR–),等电子和潜在的等结构分子置换。通过 3,4-二芳基呋喃的 Diels-Alder 反应,使用各种N-芳基乙烯基磺酰胺亲二烯体。虽然极性更大的仲磺酰胺是弱配体,但某些叔磺酰胺具有非常好的 ER 结合亲和力。在 HepG2 细胞报告基
DE1800836
申请人:——
公开号:——
公开(公告)日:——
611. Arylamides of halogenated methane- and ethane-sulphonic acids
作者:W. V. Farrar
DOI:10.1039/jr9600003058
日期:——
Selective lysine modification of native peptides via aza-Michael addition
vinylsulfonamides were synthesized and screened for site-selective modification of the ε-amino group of lysine-bearing free α-amine residues. N-methyl-N-phenylethenesulfonamide has emerged as an applicable reagent and has been developed for efficient and highly selectivemodification of the lysine residue of native peptides in the presence of a free N-terminus via aza-Michael addition. We demonstrated that functional
Novel histamine H3 receptor antagonists based on the 4-[(1H-imidazol-4-yl)methyl]piperidine scaffold
作者:Wayne D. Vaccaro、Rosy Sher、Michael Berlin、Neng-Yang Shih、Robert Aslanian、John H. Schwerdt、Kevin D. McCormick、John J. Piwinski、Robert E. West、John C. Anthes、Shirley M. Williams、Ren-Long Wu、H. Susan She、Maria A. Rivelli、Jennifer C. Mutter、Michel R. Corboz、John A. Hey、Leonard Favreau
DOI:10.1016/j.bmcl.2005.09.076
日期:2006.1
We report the discovery of novel histamine H(3) receptor antagonists based on 4-[(1H-imidazol-4-yl)methyl]piperidine. The most potent compounds in the series (e.g., 7) result from the attachment of a substituted aniline amide to the main pharmacophore piperidine via a two-methylene linker.