Discovery of Peptidomimetic Antibody–Drug Conjugate Linkers with Enhanced Protease Specificity
作者:BinQing Wei、Janet Gunzner-Toste、Hui Yao、Tao Wang、Jing Wang、Zijin Xu、Jinhua Chen、John Wai、Jim Nonomiya、Siao Ping Tsai、Josefa Chuh、Katherine R. Kozak、Yichin Liu、Shang-Fan Yu、Jeff Lau、Guangmin Li、Gail D. Phillips、Doug Leipold、Amrita Kamath、Dian Su、Keyang Xu、Charles Eigenbrot、Stefan Steinbacher、Rachana Ohri、Helga Raab、Leanna R. Staben、Guiling Zhao、John A. Flygare、Thomas H. Pillow、Vishal Verma、Luke A. Masterson、Philip W. Howard、Brian Safina
DOI:10.1021/acs.jmedchem.7b01430
日期:2018.2.8
Antibody–drugconjugates (ADCs) have become an important therapeutic modality for oncology, with three approved by the FDA and over 60 others in clinical trials. Despite the progress, improvements in ADC therapeutic index are desired. Peptide-based ADC linkers that are cleaved by lysosomal proteases have shown sufficient stability in serum and effective payload-release in targeted cells. If the linker
One-Pot Transition-Metal-Free Synthesis of Weinreb Amides Directly from Carboxylic Acids
作者:Danfeng Huang、Yulai Hu、Teng Niu、Ke-Hu Wang、Changming Xu、Yingpeng Su、Ying Fu
DOI:10.1055/s-0033-1340317
日期:——
directly fromcarboxylicacids, N,O-dimethylhydroxylamine, and phosphorus trichloride in one pot at 60 °C in toluene in high yields, thus avoiding the separation of the moisture and air sensitive intermediate P[NMe(OMe)]3 in advance. Sterically hindered carboxylicacids also give the corresponding Weinreb amides in excellent yields. Various functional groups are tolerated on the carboxylicacid. The method
[EN] SOLUBLE GUANYLATE CYCLASE ACTIVATORS<br/>[FR] ACTIVATEURS DE GUANYLATE CYCLASE SOLUBLE
申请人:MERCK SHARP & DOHME
公开号:WO2011149921A1
公开(公告)日:2011-12-01
A compound of Formula (I): or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate ("cGMP") and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula (I) or a pharmaceutically acceptable salt thereof.
[EN] SOLUBLE GUANYLATE CYCLASE ACTIVATORS<br/>[FR] ACTIVATEURS SOLUBLES DE GUANYLATE CYCLASE
申请人:MERCK SHARP & DOHME
公开号:WO2015088885A1
公开(公告)日:2015-06-18
A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (" cGMP") and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
Selective Monoesterification of Malonic Acid Catalyzed by Boric Acid
作者:Stephan M. Levonis、Laurent F. Bornaghi、Todd A. Houston
DOI:10.1071/ch07231
日期:——
Boricacidcatalyzes the monoesterification of malonic acid, likely through a chelation mechanism that is not available to the monoester product. Under more forcing conditions, diesters form to some extent, but conditions can be optimized to favour the monoester product (56–80%). With the easily handled solid acid catalyst, these reactions can be run with excess alcohol as solvent or with stoichiometric