对映选择性CH活化反应的迅速发展产生了对新型催化剂的需求。在这里,我们报告了从市售[(cod)RhCl] 2和叔丁基乙炔分两步合成新型平面手性铑催化剂[(C 5 H 2 t Bu 2 CH 2 t Bu)RhI 2 ] 2的合成。催化剂的纯对映体是通过将其非对映体加合物与天然(S脯氨酸 催化剂促进了芳基异羟肟酸与应变烯烃的对映选择性反应,从而以高收率(最高97%)和良好的立体选择性(最高ee 95%)提供了二氢异喹诺酮。
[EN] HYDROXAMIC ACID DERIVATIVES AS GRAM-NEGATIVE ANTIBACTERIAL AGENTS<br/>[FR] DÉRIVÉS DE L'ACIDE HYDROXAMIQUE EN TANT QU'AGENTS CONTRE DES BACTÉRIES À GRAM NÉGATIF
申请人:ASTRAZENECA AB
公开号:WO2010100475A1
公开(公告)日:2010-09-10
The invention relates to chemical compounds of formula (IB): or a salt thereof. In some embodiments, the invention relates to inhibitors of UDP-3-0 — (R-S-hydroxymyristoyl)-N-acetylglucosamine deacetylase (LpxC). In still further embodiments, the invention relates to pharmaceutical compositions comprising compounds disclosed herein and their use in the prevention and/or treatment of Gram- negative bacterial infections.
Tomita; Higuchi, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1954, vol. 74, p. 1278
作者:Tomita、Higuchi
DOI:——
日期:——
Divergent Synthesis of Tunable Cyclopentadienyl Ligands and Their Application in Rh-Catalyzed Enantioselective Synthesis of Isoindolinone
作者:Wen-Jun Cui、Zhi-Jie Wu、Qing Gu、Shu-Li You
DOI:10.1021/jacs.0c02813
日期:2020.4.22
unprecedented enantioselective [4+1] annulation reaction of benzamides and alkenes was achieved with a broad substrate scope under mild reaction conditions, providing a variety of isoindolinones with excellent regio- and enantioselectivity (up to 94% yield, 97:3 er). Preliminary mechanistic studies suggest that the reaction involves an oxidative Heck reaction and an intramolecular enantioselective alkene
A Planar-Chiral Rhodium(III) Catalyst with a Sterically Demanding Cyclopentadienyl Ligand and Its Application in the Enantioselective Synthesis of Dihydroisoquinolones
作者:Evgeniya A. Trifonova、Nikita M. Ankudinov、Andrey A. Mikhaylov、Denis A. Chusov、Yulia V. Nelyubina、Dmitry S. Perekalin
DOI:10.1002/anie.201801703
日期:2018.6.25
The rapid development of enantioselective C−H activation reactions has created a demand for new types of catalysts. Herein, we report the synthesis of a novel planar‐chiral rhodium catalyst [(C5H2tBu2CH2tBu)RhI2]2 in two steps from commercially available [(cod)RhCl]2 and tert‐butylacetylene. Pure enantiomers of the catalyst were obtained through separation of its diastereomeric adducts with natural
对映选择性CH活化反应的迅速发展产生了对新型催化剂的需求。在这里,我们报告了从市售[(cod)RhCl] 2和叔丁基乙炔分两步合成新型平面手性铑催化剂[(C 5 H 2 t Bu 2 CH 2 t Bu)RhI 2 ] 2的合成。催化剂的纯对映体是通过将其非对映体加合物与天然(S脯氨酸 催化剂促进了芳基异羟肟酸与应变烯烃的对映选择性反应,从而以高收率(最高97%)和良好的立体选择性(最高ee 95%)提供了二氢异喹诺酮。