Effects of the various molar ratios of sulfur monochloride to ammonia on the yield of 2^a.

Entry	S2Cl2 : NH3	Yieldb (%)
1	1 : 6	30.3
2	1 : 8	45.6
3	1 : 10	58.9
4	1 : 12	73.2
5	1 : 14	81.8
6	1 : 16	83.0
7	1 : 17	83.8
8	1 : 18	84.3

^aReaction conditions: S₂Cl₂ (0.19 mol), CCl₄ (100 mL), NH₃ at a rate of 1000 mL min⁻¹, at −4 °C for 1 hour.

^bIsolated yield.