Efficient synthesis of N1- or N3-substituted thieno[2,3-d]imidazol-2-ones
摘要:
N-1- or N-3-substituted thieno[2,3-d]imidazol-2-one derivatives are selectively obtained after N-alkylation of thiaisatoic anhydrides followed by formation of the N-substituted aminocarbonyl azides and Curtius rearrangement, (C) 1999 Elsevier Science Ltd. All rights reserved.
Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
申请人:Murphy Patrick Bryan
公开号:US20050193502A1
公开(公告)日:2005-09-08
Bicyclic fused 5-5 heteroaromatic keratin dyeing compounds with two or three heteroatoms. This invention further relates to a composition for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more bicyclic fused 5-5 heteroaromatic keratin dyeing compounds with two or three heteroatoms. This invention further relates to a method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.
PYRUVATE KINASE ACTIVATORS FOR USE IN TREATING BLOOD DISORDERS
申请人:Agios Pharmaceuticals, Inc.
公开号:US20220395503A1
公开(公告)日:2022-12-15
Described herein are compounds that activate pyruvate kinase R, pharmaceutical compositions and methods of use thereof. These compounds are represented by Formula (I): wherein R
1
, R
2
, L
1
, and L
2
are as defined herein.