in neat (no solvent) evacuated tube containing carborane was heated at 100°C for 1 h and at 140°C for 1 h while pumping through a -196°C trap; Me2S condensed in the trap; glassy yellow solid at the base of the tube was extd. with CH2Cl2, ext. septd. by preparative TLC (SiO2, eluant benzene-hexane (1:1)); several unidentified compounds were also present;