Method comprising the use of N-substituted perfluoroalkyanesulfonamides as herbicidal and plant growth modifying agents, and composition
申请人:MINNESOTA MINING AND MANUFACTURING COMPANY
公开号:US03920444A1
公开(公告)日:1975-11-18
N-Substituted perfluoroalkanesulfonamides of the formula:
N-取代的全氟烷磺酰胺的化学式:
Diamination of Domino Aryne Precursor with Sulfonamides
作者:Dachuan Qiu、Jia He、Xiao Yue、Jiarong Shi、Yang Li
DOI:10.1021/acs.orglett.6b01334
日期:2016.7.1
The reaction of a domino aryne precursor with sulfonamides efficiently afforded both 1,3-diaminobenzenes and trisubstituted 1,3-diaminobenzenes by simply varying the reaction conditions. Mechanistic study supports the sequential formation of two transient aryne intermediates involved in-the reaction.
Meta Selective C–H Borylation of Sterically Biased and Unbiased Substrates Directed by Electrostatic Interaction
An electrostatically directed meta borylation of sterically biased and unbiased substrates is described. The borylation follows an electrostatic interaction between the partially positive and negative charges between the ligand and substrate. With this strategy, it has been demonstrated that a wide number of challenging substrates, especially 4-substituted substrates, can selectively be borylated at