Direct amidation of unprotected amino acids using B(OCH<sub>2</sub>CF<sub>3</sub>)<sub>3</sub>
作者:Rachel M. Lanigan、Valerija Karaluka、Marco T. Sabatini、Pavel Starkov、Matthew Badland、Lee Boulton、Tom D. Sheppard
DOI:10.1039/c6cc05147b
日期:——
A commercially available borate ester, B(OCH2CF3)3, can be used to achieve protecting-group free direct amidation of [small alpha]-amino acids with a range of amines in cyclopentyl methyl ether. The method can...
Protecting-Group-Free Amidation of Amino Acids using Lewis Acid Catalysts
作者:Marco T. Sabatini、Valerija Karaluka、Rachel M. Lanigan、Lee T. Boulton、Matthew Badland、Tom D. Sheppard
DOI:10.1002/chem.201800372
日期:2018.5.11
Amidation of unprotected aminoacids has been investigated using a variety of ‘classical“ coupling reagents, stoichiometric or catalytic group(IV) metal salts, and boron Lewis acids. The scope of the reaction was explored through the attempted synthesis of amides derived from twenty natural, and several unnatural, aminoacids, as well as a wide selection of primary and secondary amines. The study also
[EN] 3-(4-FLUOROPHENYL)-3-HYDROXY-2-AMINO-PROPIONIC ACID AMIDES AND RELATED COMPOUNDS HAVING ANALGESIC ACTIVITY<br/>[FR] AMIDES D'ACIDE 3-(4-FLUOROPHÉNYL)-3-HYDROXY-2-AMINO-PROPIONIQUE ET COMPOSÉS ASSOCIÉS AYANT UNE ACTIVITÉ ANALGÉSIQUE
申请人:ALLERGAN INC
公开号:WO2009100095A1
公开(公告)日:2009-08-13
Compounds according to the formula below are disclosed herein: Therapeutic methods for the treatment of pain, compositions, and medicaments related thereto are also disclosed.
根据以下公式披露的化合物:本文还披露了用于治疗疼痛的治疗方法,相关的组合物和药物。
Anti-Infective Agents
申请人:Hutchinson Douglas K.
公开号:US20080193413A1
公开(公告)日:2008-08-14
Compounds having the formula
are hepatitis C(HCV) polymerase inhibitors. Also disclosed are a composition and method for inhibiting hepatitis C(HCV) polymerase, processes for making the compounds, and synthetic intermediates employed in the processes.
4,4-Difluoro-1,2,3,4-tetrahydro-5H-1-benzazepine derivative or salt thereof
申请人:Koshio Hiroyuki
公开号:US20070167429A1
公开(公告)日:2007-07-19
A novel 4,4-difluoro-1,2,3,4-tetrahydro-5H-1-benzazepine derivative or a pharmaceutically acceptable salt thereof, which is useful as an agent for treating or preventing nocturia and/or diabetes insipidus, is provided.