这项工作的目的是使人们对在硫代苯甲腈的硫代酰基部分的硫酰基部分的取代与其抗结核作用之间的关系的初步发现有更多的了解。因此,我们制备了一套14种衍生物,其中有8种尚未被报道,并且对这四种化合物对四种分枝杆菌的抗分枝杆菌活性进行了评估,其中包括结核分枝杆菌CNCTC My 331/88,堪萨斯分枝杆菌CNCTC My 235。 / 80,鸟分枝杆菌CNCTC My 330/88和堪萨斯分枝杆菌6509/96。尽管第3位具有不同电子和亲脂特性的取代基对抗结核活性的贡献可以忽略不计,
catalyst-free decarboxylative amidation of α-ketoacids with aminesundermildconditions has been developed. Advantages of the new protocol include avoidance of metal catalysts and high levels of functional group tolerance. In addition, the reaction can be scaled up and shows high chemoselectivity. Preliminary mechanistic studies suggest that singlet oxygen, generated from oxygen under irradiation, is the key
Vanadium-Catalyzed Oxidative C(CO)–C(CO) Bond Cleavage for C–N Bond Formation: One-Pot Domino Transformation of 1,2-Diketones and Amidines into Imides and Amides
作者:Chander Singh Digwal、Upasana Yadav、P. V. Sri Ramya、Sravani Sana、Baijayantimala Swain、Ahmed Kamal
DOI:10.1021/acs.joc.7b00950
日期:2017.7.21
identified that enables their transformation into imides and amides. The reaction proceeds by dual acylation of amidines via oxidative C(CO)–C(CO) bond cleavage of 1,2-diketones to afford N,N′-diaroyl-N-arylbenzamidine intermediates. In the reaction, these intermediates are easily hydrolyzed into imides and amides through vanadium catalysis. This method provides a practical, simple, and mild synthetic
The present invention relates to organic molecules capable of modulating tyrosine kinase signal transduction in order to regulate, modulate and/or inhibit abnormal cell proliferation.
本发明涉及有机分子,能够调节酪氨酸激酶信号传导,以调节、调控和/或抑制异常细胞增殖。
Silver-promoted decarboxylative amidation of α-keto acids with amines
A general and effective method for the synthesis of amides through decarboxylative amidation of α-keto acids with amines has been developed. The reaction proceeded smoothly to afford the corresponding amide products in good yield under air and shows excellent functional group tolerance. In addition, the protocol can be further applied in the synthesis of heterocyclic compounds like benzimidazoles.
SUBSTITUTED VINYL AND ALKINYL CYCLOHEXENOLS AS ACTIVE AGENTS AGAINST ABIOTIC STRESS IN PLANTS
申请人:Frackenpohl Jens
公开号:US20140080704A1
公开(公告)日:2014-03-20
The invention relates to substituted vinyl- and alkynylcyclohexenols of the general formula (I) and salts thereof
where the R
1
, R
2
, R
3
, R
4
, R
5
, [X—Y] and Q radicals are each as defined in the description, to processes for preparation thereof and to the use thereof for enhancing stress tolerance in plants with respect to abiotic stress, and/or for increasing plant yield.