Kinugawa, Masahiko published the artcileFacile synthesis of 1,4-dihydropyridine monocarboxylic acids and unsymmetrical dicarboxylates via quaternary ammonium salts of 2-aminoethyl 1,4-dihydropyridine-3,5-dicarboxylates, COA of Formula: C10H15NO, the publication is Synthetic Communications (1997), 27(19), 3321-3331, database is CAplus.
Useful 1,4-dihydropyridine unsym. dicarboxylates nitrendipine (I, R = Et), nicardipine (I, R = CH2CH2NMeCH2Ph) and monocarboxylic acid I (R = H) were prepared from I (R = CH2CH2NMeCH2Ph, N-benzyl-3-piperidinyl) via their quaternary ammonium salts, e.g., II.
Synthetic Communications published new progress about 101-98-4. 101-98-4 belongs to alcohols-buliding-blocks, auxiliary class Amine,Benzene,Alcohol, name is 2-(Benzyl(methyl)amino)ethanol, and the molecular formula is C10H15NO, COA of Formula: C10H15NO.
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https://en.wikipedia.org/wiki/Alcohol,
Alcohols – Chemistry LibreTexts