Fig. 3: Substrate scope of the photo-promoted ring contraction of pyridines. | Nature Communications

Fig. 3: Substrate scope of the photo-promoted ring contraction of pyridines.

From: Pyrrolidine synthesis via ring contraction of pyridines

Fig. 3

Wide generality of pyridine substrates and excellent compatibility with various functional groups are demonstrated, enabling facile access to pyrrolidine derivatives bearing a 2-azabicyclo[3.1.0]hex-3-ene skeleton from easily available pyridines. TBS tert-butyldimethylsilyl, Ac acetyl, Boc tert-butoxycarbonyl, TMS trimethylsilyl.

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