A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 30433-91-1, Name is 2-(Thiophen-2-yl)ethanamine, molecular formula is C6H9NS. In an article, author is Gang, Ma-Yong,once mentioned of 30433-91-1, HPLC of Formula: C6H9NS.
Cul-catalyzed Sonogashira reaction for the efficient synthesis of 1H-imidazo[2,1-a]isoquinoline derivatives
The Sonogashira reaction first, and then intra-molecular hydroamination of alkyne catalyzed by CuI/o-phen was proved to be an efficient method for the synthesis of imidazo[2,1-a]isoquinoline, phenanthro[9′,10′:4,5]imidazo[2,1-a]isoquinoline and acenaphtho[1′,2′:4,5]imidazo [2,1-a]isoquinoline derivatives in the presence of Cs2CO3. (C) 2017 Elsevier Ltd. All rights reserved.
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Reference:
Isoquinoline – Wikipedia,
,Isoquinoline | C9H7N – PubChem