Low-Valent Titanium Induced Reductive Cyclization of Nitriles to Symmetrically Substituted Tetraalkylpyrazines
作者:Wei-xing Chen、Jun-hu Zhang、Ming-yang Hu、Xiao-chun Wang
DOI:10.1055/s-1990-26987
日期:——
Reductive cyclization of nitriles 1 induced by titanium tetrachloride/zinc provides an efficient general synthesis of symmetrically substituted tetraalkylpyrazines 2.
四氯化钛/锌诱导的氰基1的还原环化作用,为对称取代的四烷基吡嗪2提供了一种高效通用的合成方法。
Methods and compositions for metal nanoparticle treated surfaces
申请人:Avent, Inc.
公开号:EP2859961A2
公开(公告)日:2015-04-15
Disclosed is method of making metal nanoparticles comprising,
a) adding in no particular order, an aqueous solution of a stabilizing agent solution, an anionic donating solution and a soluble metal salt solution, and
b) adding a reducing solution.
Also disclosed are metal nanoparticles made by the method.
所公开的金属纳米粒子的制造方法包括
a) 不按特定顺序加入稳定剂溶液、阴离子捐献溶液和可溶性金属盐溶液的水溶液,以及
b) 加入还原溶液。
还公开了用该方法制得的金属纳米粒子。
CHEN, WEI-XING;ZHANG, JUN-HU;HU, MING-YANG;WANG, XIAO-CHUN, SYNTHESIS,(1990) N, C. 701-702