In an article, author is Knolker, HJ, once mentioned the application of 17557-76-5, Name is 4,4′-Diamino-[1,1′-biphenyl]-2,2′-dicarboxylic acid, molecular formula is C14H12N2O4, molecular weight is 272.26, MDL number is MFCD00156997, category is isoquinoline. Now introduce a scientific discovery about this category, Safety of 4,4′-Diamino-[1,1′-biphenyl]-2,2′-dicarboxylic acid.
Total synthesis of the antitumor active pyrrolo[2,1-alpha]isoquinoline alkaloid (+/-)-crispine A
Addition of a propargyl Grignard reagent to 3,4-dihydro-6,7-dimethoxyisoquinoline, silver(I)-promoted oxidative cyclization, and chemoselective hydrogenation of the pyrrole ring provide a simple three-step route to the antitumor active pyrrolo[2,1-a]isoquinoline alkaloid (+/-)-crispine A. (C) 2004 Elsevier Ltd. All rights reserved.
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Reference:
Isoquinoline – Wikipedia,
,Isoquinoline | C9H7N – PubChem