Organic chemistry of C60 (Buckminsterfullerene):  chromatography and osmylation.
Treatment of C60 with osmium tetroxide and pyridine gives the osmate ester (2:1 adduct) establishing that oxygen functionality can be added to C60 without disrupting the carbon framework.
Hawkins
J M
JM
Department of Chemistry, University of California, Berkeley 94720, USA.
Lewis
T A
TA
Loren
S D
SD
Meyer
A
A
Heath
J R
JR
Shibato
Y
Y
Saykally
R J
RJ
D002244:Carbon / Q000737:chemistry; D002625:Chemistry, Organic / Q000379:methods*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D037741:Fullerenes; D006358:Hot Temperature; D013058:Mass Spectrometry; D009993:Osmium Tetroxide / Q000737:chemistry*; D010100:Oxygen / Q000737:chemistry*; D011725:Pyridines / Q000737:chemistry*
D037741:Fullerenes; D011725:Pyridines; C069836:fullerene C70; D002244:Carbon; C023666:pyridine; C069837:fullerene C60; D009993:Osmium Tetroxide; D010100:Oxygen