in neat (no solvent)
byproducts: COCl2; react. of SO3 with CCl4 under exclusion of moisture under warming;; strong generation of COCl2;;
参考文献
Schuetzenberger
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1869 , vol. 69, p. 352
Justus Liebigs Annalen der Chemie, 1870 , vol. 154, p. 375