In an article, author is Zaki, Remon M., once mentioned the application of 27655-40-9, Computed Properties of C9H7NO3S, Name is Isoquinoline-5-sulfonic acid, molecular formula is C9H7NO3S, molecular weight is 209.2218, MDL number is MFCD00134089, category is isoquinoline. Now introduce a scientific discovery about this category.
Novel synthesis and reactions of pyrazolyl-substituted tetrahydrothieno[2,3-c]isoquinoline derivatives
Treatment of isoquinolinecarboxamide 4a with triethyl orthoformate, chloroacetyl chloride or carbon disulfide afforded the pyrimidinone 7, oxopyrimidinethione 12 and chloromethylpyrimidinone 18, respectively. These products were used as versatile starting materials for synthesis of other heterocyclic compounds. The heterocyclic hydrazide 6 was also obtained.
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Reference:
Isoquinoline – Wikipedia,
,Isoquinoline | C9H7N – PubChem