Dimethyl Sulfoxide → 2-[(Benzothiazol-2-yl)carbonyl]-1-{N-[N-(tertbutyloxycarbonyl)-(L)-Alanyl]-(L)-Valinyl}-(2S)-pyrrolidine

Participants

Role	Name	HCID	Charge
Reactant	Dimethyl Sulfoxide	HCID 679	—
Reactant	Oxalyl chloride	HCID 65578	—
Reactant	2-[(Benzothiazol-2-yl)hydroxymethyl]-1-{N-[N-(tertbutyloxycarbonyl)-(L)-Alanyl]-(L)-Valinyl}-(2S)-pyrrolidine	HCID 69031852	—
Product	2-[(Benzothiazol-2-yl)carbonyl]-1-{N-[N-(tertbutyloxycarbonyl)-(L)-Alanyl]-(L)-Valinyl}-(2S)-pyrrolidine	HCID 69033468	—

39 (0.72 g, 0.14 mmol), oxalylchloride (0.221 ml, 2.57 mmol), DMSO (2.53 ml, 3.57 mmol), TEA (0.80 ml, 5.71 mmol)