Synthesis of lactate derivatives via reductive radical addition to α-oxyacrylates
作者:Justin B. Diccianni、Mason Chin、Tianning Diao
DOI:10.1016/j.tet.2019.05.002
日期:2019.8
Lactate derivatives are important synthetic precursors to a variety of pharmaceutical products. Previously reported methods to prepare lactates require multiple steps or have limited scopes. Herein, we report a Ni-catalyzed reductive addition of a variety of alkyl iodides to α-oxyacrylates to afford substituted lactates. Exploring the scope of radical acceptors reveals that electron-deficient alkenes
Rapid synthesis of quinoline-4-carboxylic acid derivatives from arylimines and 2-substituted acrylates or acrylamides under indium(iii) chloride and microwave activations. Scope and limitations of the reaction
quinoline-4-carboxylic acid derivatives has been achieved by reaction of 2-methoxy acrylates or acrylamides with N-arylbenzaldimines in acetonitrile under InCl3 catalysis and microwave irradiation. Isolated yields up to 57% within 3 min have been obtained. The Lewis acid and the microwave activation appeared as crucial parameters for the reaction. The role of indium chloride and ytterbium triflate was specified
在InCl3催化和微波辐射下,2-甲氧基丙烯酸酯或丙烯酰胺与N-芳基苯甲二胺在乙腈中的反应已实现了喹啉-4-羧酸衍生物的快速合成。在3分钟内获得了高达57%的分离产率。路易斯酸和微波活化似乎是反应的关键参数。使用13 C NMR数据和模型理论研究确定了氯化铟和三氟甲磺酸的作用。
[EN] PHOTOPERIODIC CONTROL OF PHYTOCHROME WITH MATERIALS<br/>[FR] CONTRÔLE PHOTOPÉRIODIQUE DE PHYTOCHROME AVEC DES MATÉRIAUX
申请人:LLEAF PTY LTD
公开号:WO2020163917A1
公开(公告)日:2020-08-20
Disclosed herein are articles and devices, such as photo-selective films, which may be used to influence the growth of photosynthetic organisms. These article and devices may comprise one or more compounds of Formula (I) and/or Formula (II), along with one or more optional auxiliary dyes. Methods of controlling the growth of plants and for the manufacture of said articles and devices are also disclosed herein.
ETHERIC (ETHEREAL) OXYGEN ATOM-CONTAINING PERFLUOROALKYL GROUP-SUBSTITUTED PYRIMIDINE RING COMPOUND, AND METHOD FOR ITS PRODUCTION
申请人:ASAHI GLASS COMPANY, LIMITED
公开号:US20170050934A1
公开(公告)日:2017-02-23
To provide a pyrimidine derivative having a fluorinated substituent group, that can be applied to an agricultural chemical or pharmaceutical having excellent pharmacological activities, and a method for producing said derivative. A compound represented by the following formula (A). R
f
is a group having an etheric (ethereal) oxygen atom inserted between carbon-carbon atoms in a C
2-19
perfluoroalkyl group, wherein the total of the number of carbon atoms and the number of oxygen atoms is from 3 to 20. R
1
is a C
1-6
alkyl group, etc. Q
1
is R
2
C(O)—, R
3
OC(O)—, a carboxy group, R
4
OC(O)NH—, an amino group, or R
5
C(O)NH—(R
2
to R
5
are each independently a C
1-6
alkyl group, etc.).
Compositions and methods for enhanced mucosal delivery of Y2 receptor-binding peptides and methods for treating and preventing obesity
申请人:Nastech Pharmaceutical Company Inc.
公开号:US20040157777A1
公开(公告)日:2004-08-12
Pharmaceutical compositions and methods are described comprising at least one Y2 receptor-binding peptide, such as peptide YY(PYY), Neuropeptide Y (NPY) or Pancreatic Peptide (PP) and one or more mucosal delivery-enhancing agents for enhanced nasal mucosal delivery of the peptide YY, for treating a variety of diseases and conditions in mammalian subjects, including obesity.