The present invention relates to compounds and methods for inducing neuronal differentiation in normal neural stem cells and brain cancer stem cells. The methods may take place in vitro, such as in isolates from the adult mammalian brain, or in vivo. Compounds and methods described herein may find use in the treatment of neurodegenerative and psychiatric diseases, the repair and regeneration of the nervous system, and in treatment of neurologic malignancy.
Stereoselective Direct
<i>N</i>
‐Trifluoropropenylation of Heterocycles with a Hypervalent Iodonium Reagent
作者:János T. Csenki、Ádám Mészáros、Zsombor Gonda、Zoltán Novák
DOI:10.1002/chem.202102840
日期:2021.11.11
E-selective trifluoropropenylation of versatile N-heterocycles was developed with the utilization of trifluoropropenyliodonium salts. The procedure enables the straightforward direct introduction of the trifluoroalkenyl moiety into heterocyclic scaffolds under simple and mild reaction conditions.
17BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 INHIBITORS FOR THE TREATMENT OF HORMONE-RELATED DISEASES
申请人:Hartmann Rolf
公开号:US20110046147A1
公开(公告)日:2011-02-24
The invention relates to 17beta-hydroxysteroid dehydrogenase type 1 (17betaHSD1) inhibitors, the preparation thereof and the use thereof for the treatment and prophylaxis of hormone-related, especially estrogen-related or androgen-related, diseases.
An iodine-catalyzed denitrative imino-diaza-Nazarov cyclization (DIDAN) methodology has been developed for the synthesis of pyrazoles with high to excellent yields by using α-nitroacetophenone derivatives and in situ generated hydrazones. The key transformation of this oxidative 4π-electrocyclization proceeds through an enamine–iminium ion intermediate. This rapid one-pot DIDAN protocol results in
A highly efficient heterogeneous palladium-catalyzed cascade three-component reaction of acid chlorides, terminal alkynes and hydrazines leading to pyrazoles
作者:Qiurong Chen、Fang Yao、Lin Yin、Mingzhong Cai
DOI:10.1016/j.jorganchem.2015.12.037
日期:2016.2
MCM-41-immobilized palladium(II) complex [MCM-41-2N–Pd(OAc)2] and 1.0 mol% of CuI, acid chlorides were coupled with terminal alkynes in Et3N at 50 °C to give α,β-unsaturated ynones, which were converted in situ into pyrazoles by the cycloaddition of hydrazines at room temperature with acetonitrile as cosolvent. The cascade reactions generated a variety of pyrazole derivatives in moderate to good yields, and