Semisynthetic Cyclopamine Analogues as Potent and Orally Bioavailable Hedgehog Pathway Antagonists
作者:Martin R. Tremblay、Marta Nevalainen、Somarajan J. Nair、James R. Porter、Alfredo C. Castro、Mark L. Behnke、Lin-Chen Yu、Margit Hagel、Kerry White、Kerrie Faia、Louis Grenier、Matthew J. Campbell、Jill Cushing、Caroline N. Woodward、Jennifer Hoyt、Michael A. Foley、Margaret A. Read、Jens R. Sydor、Jeffrey K. Tong、Vito J. Palombella、Karen McGovern、Julian Adams
DOI:10.1021/jm8008508
日期:2008.11.13
cyclopamine. The acid sensitive D-ring of cyclopamine was homologated utilizing a sequence of chemoselective cyclopropanation and stereoselective acid-catalyzedrearrangement. Further modification of the A/B-ring homoallylic alcohol to the conjugated ketone led to the discovery of new cyclopamine analogues with improved pharmaceutical properties and in vitro potency (EC 50) ranging from 10 to 1000 nM
Direct arylation of C<sub>60</sub>Cl<sub>6</sub> and C<sub>70</sub>Cl<sub>8</sub> with carboxylic acids: a synthetic avenue to water-soluble fullerene derivatives with promising antiviral activity
作者:Olga A. Kraevaya、Alexander S. Peregudov、Ivan A. Godovikov、Elena V. Shchurik、Vyacheslav M. Martynenko、Alexander F. Shestakov、Jan Balzarini、Dominique Schols、Pavel A. Troshin
DOI:10.1039/c9cc08400b
日期:——
We report unprecedented Friedel-Crafts arylation of chlorofullerenes C60Cl6 and C70Cl8 with unprotected carboxylicacids as an efficient single-step synthesis of the inherently stable water-soluble fullerene derivatives. Using this method, a series of previously unaccessible compounds was obtained without chromatographic purification in almost quantitative yields. Promising anti-HIV activity comparable
Regulators of the hedgehog pathway, compositions and uses related thereto
申请人:Beachy A. Philip
公开号:US20060128639A1
公开(公告)日:2006-06-15
The present invention makes available, inter alia, methods and reagents for modulating smoothened-dependent pathway activation. In certain embodiments, the subject methods can be used to counteract the phenotypic effects of unwanted activation of a hedgehog pathway, such as resulting from hedgehog gain-of-function, ptc loss-of-function or smoothened gain-of-function mutations.
The present invention provides compositions for use in modulating smoothened dependent pathway activation. The present invention provides analogs of cyclopamine of formulas
that can be used to counteract the phenotypic effects of unwanted activation of a hedgehog pathway, such as resulting from hedgehog gain-of-function, Ptc loss-of-function or smoothened gain-of-function mutations. The compounds of the present invention are particularly useful in treating cancers.
Process for the preparation of Cyclopamine analogue compounds
申请人:Infinity Pharmaceuticals, Inc.
公开号:EP2316833A1
公开(公告)日:2011-05-04
The present invention provides a preparation method for analogs of cyclopamine of formula 1
that can be used to counteract the phenotypic effects of unwanted activation of a hedgehog pathway, such as resulting from hedgehog gain-of-function, Ptc loss-of-function or smoothened gain-of-function mutations.
The compounds of the present invention are particularly useful in treating cancers.