Construction of 4-substituted 2-(pyrrolidine-3-yl)acetic acid derivatives as cyclic γ-aminobutyric acid analogues employing intermolecular [2+2]-photocycloaddition as key steps

Add time:07/13/2019    Source:sciencedirect.com

The synthesis of new 2-(pyrrolidine-3-yl)acetic acid derivatives as cyclic γ-aminobutyric acid analogues, which are additionally substituted at the 4-position, is reported. A de Mayo reaction, i.e. a combination of an intermolecular [2+2]-photocycloaddition of 1,3-dioxinones with N-protected 3-pyrroline and a fragmentation reaction of the resulting cyclobutane moiety, represent the key steps.

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