1. The physics-chemistry properties, synthesis of sulphur monochloride and its application in organic reactions are introduced briefly.

2. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with allyl mercaptan with a yield of 81.

3. The synthesis of 1-bromo-6-phenylhexane was studied using the ethyl adipoyl monochloride as starting materials.

4. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with ally1 mercaptan with a yield of 81.0%.

5. Examples of the compound comprising at least one iodine atom include molecular iodine, iodine monobromide, iodine monochloride and iodine trichloride.

6. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with allyl mercaptan with a yield of 81.0%.

7. In the Hanus method, an iodine bromide reagent is used instead of iodine monochloride.