Reaction of various 1-bromo-1-nitroalkenes 1a–1m with 1,3-diphenylthiourea 2^a.

^aReactions were performed with 1-bromo-1-nitroalkenes 1a–1n (0.10 mmol) and 1,3-diarylthioureas 2 (0.11 mmol) with Et₃N (0.02 mmol) in THF (2.0 mL) at room temperature in the air for 24 hours.