Fig. 3: Synthetic applications.
From: [3+2] Cycloaddition of alkyl aldehydes and alkynes enabled by photoinduced hydrogen atom transfer

Reaction conditions: a 17, K2CO3, DMF, 80 °C; b 52, LiHMDS, MeI, THF, −78 °C to RT; c 52, Ni(acac)2, AlMe3, THF, RT. LiHMDS lithium bis(trimethylsilyl)amide.