Structures of Protecting Groups

Name	Abbr.	MW	Structure
Acetamidomethyl C₃H₆NO	Acm	72.1
tert-Butyloxycarbonyl C₅H₉O₂	Boc	101.1
4,4’-Dimethoxytrityl C₂₁H₁₉O₂	DMT	303.4
9-Fluorenylmethoxycarbonyl C₁₅H₁₀O₂	Fmoc	222.2
2,2,4,6,7-Pentamethyldihydro- benzofuran-5-sulfonyl C₁₃H₁₇O₃S	Pbf	253.3
2,2,5,7,8-Pentamethylchroman- 6-sulfonyl C₁₄H₁₉O₃S	Pmc	267.4
tert-Butylthio C₄H₉S	StBu	89.2
tert-Butyl C₄H₉	tBu	57.1
Triphenylmethyl (=Trityl) C₁₉H₁₅	Trt	243.3