In an article, author is Zawadzka, A, 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, COA of Formula: C14H12N2O4.
Synthesis and crystal structure of hydrogenated pyrazino[2,1-alpha]isoquinoline derivatives
Racemic amino acids (Ala and Val) were used in order to optimize the procedures and to check the stereochemical outcome of the synthesis of tetrahydroisoquinoline derivatives. The key step introduced the Pictet-Spengler condensation on ketoamides 4a and 4b under very mild conditions that gave predominantly (3S*,11bR*)-diastereomers 6a and 6b. These results were confirmed by X-ray crystallography.
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Reference:
Isoquinoline – Wikipedia,
,Isoquinoline | C9H7N – PubChem