Trimethylene-di -iodide

Trimethylene Di-iodide. Use 76 g. of trimethylene glycol, 27 - 52 g. of pmified red phosphorus and 254 g. of iodine. Lag the arm C (Fig. Ill, 40, ) with asbestos cloth. Stop the heating immediately all the iodine has been transferred to the fiask. Add water to the reaction mixture, decolourise with a httle sodium bisulphite, filter, separate the crude iodide, wash it twice with water, dry with anhydrous potassium carbonate and distU under reduced pressure. B.p. 88-89°/6 mm. Yield 218 g. (a colourless liquid). 

Trimethylacetic acid, 350, 351 Trimethylamine hydrochloride, 414,416 Trimethylene dibromide, 279 Trimethylene dicyanide, 407, 409 Trimethylene-di-iodide, 288 1 3 5-Trinitrobenzene, 965 addition compounds of, 519 ... 

C2oHi6S3, 2,5-Diphenyl-3,4-trimethylene-6a-thiathiophthene, 41B, 414 C20H1jlOSn, 5-Phenyl-3-(5-phenyl-1,2-dithiol-3-ylidenmethyl)-1,2-di-thiolium iodide methanol, 30B, 149 C2 0H2 0OS2, Xanthene-9-spiro-2 -[4 -t-butyl-3 -(methylthio)thiete], 46B, 369... 

---