Multicomponent synthesis of amino acids and derivatives thereof

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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C560S019000, C560S038000, C560S039000, C560S040000, C560S045000, C560S046000, C560S047000, C546S190000, C549S013000, C549S356000, C549S551000

Reexamination Certificate

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06930200

ABSTRACT:
Mono-substituted and di-substituted alpha-amino acids and derivatives thereof, substituted at the alpha positon with one (mono-) or two (di-) substituents (R2and/or R3) as shown in Formula 1: N(R4R5)C(R2R3)CO(OR1).

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