The present invention provides a heterocyclic compound having a HDAC inhibitory action, and useful for the treatment of central nervous system diseases including neurodegenerative disease, and the like, and a medicament comprising the compound. The present invention relates to a compound represented by the formula (I) wherein each symbol is as defined in the specification, or a salt thereof.
Simultaneous Preparation of (<i>S</i>)-2-Aminobutane and <scp>d</scp>-Alanine or <scp>d</scp>-Homoalanine via Biocatalytic Transamination at High Substrate Concentration
additives. The preparation of these small chiral amine or aminoacids with high water solubility still demands searching for efficient methods. In this work, we identified an ω-transaminase (ω-TA) from Sinirhodobacter hungdaonensis (ShdTA) that catalyzed the kinetic resolution of racemic 2-aminobutane at a concentration of 800 mM using pyruvate as the amino acceptor, leading to the simultaneous isolation
( S )-2-氨基丁烷、d-丙氨酸和d-高丙氨酸是生产各种活性药物成分和食品添加剂的重要中间体。这些具有高水溶性的小手性胺或氨基酸的制备仍需要寻找有效的方法。在这项工作中,我们从Sinirhodobacter Hungdaonensis ( Shd TA) 中鉴定出一种 ω-转氨酶 (ω-TA),该酶使用丙酮酸作为氨基受体催化 800 mM 浓度的外消旋 2-氨基丁烷的动力学拆分,从而实现同时分离对映体纯 ( S )-2-氨基丁烷和d-丙氨酸的产率分别为 46% 和 90%。此外, (S )-2-氨基丁烷 (98% ee ) 和d-高丙氨酸 (99% ee ) 分别以 45% 和 93% 的收率分离,在 400 mM 浓度的外消旋 2-氨基丁烷与脱氨基作用下的动力学拆分中l-苏氨酸由苏氨酸脱氨酶。因此,我们开发了一种用于实际合成这些有价值的小手性胺和d-氨基酸的生物催化方法。
HETEROCYCLIC CETP INHIBITORS
申请人:Salvati Mark E.
公开号:US20120322761A1
公开(公告)日:2012-12-20
Compounds of formula Ia and Ib
wherein A, B, C and R
1
are described herein.
其中A,B,C和R1所描述的式子Ia和Ib的化合物。
Organic electroluminescent materials and devices
申请人:Universal Display Corporation
公开号:US10177318B2
公开(公告)日:2019-01-08
Bis-Indole compounds are disclosed and used as hosts to improve the organic electroluminescent devices (OLEDs) performance.
本研究公开了双吲哚化合物,并将其用作提高有机电致发光器件(OLED)性能的宿主。
2-AMINOBENZAMIDE DERIVATIVES AS VANILLOID RECEPTOR 1 (VR1) INHIBITORS USEFUL FOR THE TREATMENT OF PAIN OR BLADDER FUNCTION DISORDER