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Publikováno v:
ChemInform. 47
A simple and efficient Passerini reaction of epoxides involving highly regioselective rearrangement of epoxide to aldehyde/three-component Passerini reaction catalyzed by indium(III) chloride is described. In the present protocol, epoxides served as
Autor:
Kibret Mequanint, Kalin I. Penev
Publikováno v:
ChemInform. 47
Tetrazolium salts are a group of versatile molecules with a relatively limited application due to synthesis difficulty and high cost of production. Here, we have comparatively examined several approaches for the preparation of 2-(4-nitrophenyl)-3,5-d
Publikováno v:
ChemInform. 47
A general and direct C3 functionalization of free (N–H) indoles with readily available electrophiles such as acid chlorides, chloroformates, thionyl chloride, and methylsulfonyl chloride via a common N-indolyl triethylborate intermediate is reporte
Publikováno v:
ChemInform. 47
The base-free palladium-catalyzed borylation of aryl chlorides with diborons was achieved. The base-free conditions offered acceptable functional group compatibility. Based on experimental and computational studies, it was shown that smooth boryl tra
Autor:
Kazushi Mashima, Kenya Higashihara, Kosuke Higashida, Himanshu Sekhar Jena, Yusuke Kita, Shoji Hida
Publikováno v:
ChemInform. 47
Efficient rhodium(III) catalysts were developed for asymmetric hydrogenation of simple olefins. A new series of chloride-bridged dinuclear rhodium(III) complexes 1 were synthesized from the rhodium(I) precursor [RhCl(cod)]2 , chiral diphosphine ligan
Publikováno v:
ChemInform. 47
A new and efficient rhodium/copper-cocatalyzed C–H oxidation reaction of isoquinolinium N-amides has been developed. In the presence of rhodium(II) acetate dimer, copper(II) chloride, a ligand and sodium tert-butoxide, a variety of isoquinolin-1-on
Autor:
Javad Azizian, Seyedeh Bahareh Azimi
Publikováno v:
ChemInform. 47
We present a one-pot method for the synthesis of 2,3-dihydroquinazoline-4(1H)-ones. The three-component reaction between isatoic anhydride, primary amines, and dialkyl acetylenedicarboxylates in the presence of N-sulfonic acid pyridinium chloride und
Publikováno v:
ChemInform. 47
An efficient pathway for the synthesis of the aminobenzophenone derivatives via Friedel–Crafts benzoylation using copper triflate as catalyst is proposed. New derivatives are synthesized. The copper triflate could be easily recovered and reused wit
Autor:
Yuta Fujino, Keisuke Yoshida, Yukihiro Itatsu, Kohei Matsui, Hina Suzuki, Ken Ichi Takao, Hiroki Inoue, Yohei Kanoko
Publikováno v:
ChemInform. 47
The highly regioselective organocatalytic chlorosilylation of oxirane derivatives using bulky silyl reagents such as (tert-butyl)diphenylsilyl chloride (TBDPSCl) or triphenylsilyl chloride (Ph3SiCl) was developed. The reaction was effectively catalyz
Autor:
Thomas E. Albrecht-Schmitt, Juan Diwu, Lanhua Chen, Wei-Qun Shi, Huangjie Lu, Shuao Wang, Cong-Zhi Wang, Yaxing Wang, Zhifang Chai
Publikováno v:
ChemInform. 47
The new compound [Th3O2(IO3)5(OH)2]Cl is hydrothermally synthesized from an aqueous mixture of Th(NO3)4, HIO3, and KCl (autoclave, 230 °C, 3 d).