Assertion: metal's compound | /r/HasProperty | synthesised by charles friedel
Facets:
value: in 1863
type: TEMPORAL
value: similarly
type: DEGREE
Source sentences:
text: Similarly, the first organosilicon compound, tetraethylsilane, was synthesised by Charles Friedel and James Crafts in 1863, but detailed characterisation of organosilicon chemistry was only done in the early 20th century by Frederic Kipping.