INHIBITORS OF N-ACYLPHOSPHATIDYLETHANOLAMINE PHOSPHOLIPASE D (NAPE-PLD)
申请人:Universiteit Leiden
公开号:EP3575287A1
公开(公告)日:2019-12-04
The invention relates to a compound of the formula (I) as novel inhibitor of N-acylphosphatidylethanolamine phospholipase D (NAPE-PLD), and to use thereof for the prophylaxis or treatment of diseases associated with NAPE-PLD.
wherein
in a ring A, X1 is N, or CR4; X2 is N or CR5; X3 is N or CH;
with the proviso that at least one of X1 and X3 is N.
Activation of Electrophilicity of Stable Y-Delocalized Carbamate Cations in Intramolecular Aromatic Substitution Reaction: Evidence for Formation of Diprotonated Carbamates Leading to Generation of Isocyanates
idea that further protonation of the O-protonated carbamates is involved in the cyclization, but the concentration of the dications is very low and suggests that the rate-determining step is dissociation of methanol from the diprotonated carbamate to generate protonated isocyanate, which reacts with the aromatic ring. Therefore, O-protonated carbamates are weak bases in sharp contrast to other Y-shaped
Efficient synthesis of methyl carbamate via Hofmann rearrangement in the presence of TsNBr2
作者:Arun Jyoti Borah、Prodeep Phukan
DOI:10.1016/j.tetlet.2012.04.011
日期:2012.6
An efficient method has been developed for the synthesis of carbamates from the corresponding amides via the Hofmannrearrangement using N,N-dibromo-p-toluenesulfonamide (TsNBr2) in the presence of DBU in methanol. The reaction goes into completion in 10–20 min at 65 °C to produce the corresponding carbamate in excellent yield.