chemical groups that are added to a molecule to protect a reactive functional group during a chemical reaction.
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(S)-2-Benzyloxycarbonylamino-pentanedioic acid 5-benzyl ester
n
1,2:5,6-di-O-isopropylidene-3-O-(2-nitro)phenylacetyl-α-D-glucofuranose
(S)-(Z)-6-<(benzyloxy)methoxy>-2-hydroxy-4-(trimethylsilyl)-4-hexen-3-one
BOC-DL-ILE-OH
1-({[(1S,2S)-2-ethenylcyclopropyl]methoxy}methyl)-4-methoxybenzene
benzyl (2S,3S,6R,7R)-3-chloroacetoxy-3-methyl-8-oxo-7-phenoxyacetamido-5-thia-1-azabicyclo<4.2.0>octane-2-carboxylate
2-Cyclohexen-1-one, 6-acetyl-2-methyl-5-(1-methylethenyl)-, (5S)-
(S,E)-1-(benzyloxy)hex-4-en-3-ol
(3R,4R)-4-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-4-(4-methoxy-benzyloxy)-3-methyl-butan-1-ol
3-(2-chloro-4-hydroxyphenylethynyl)-2-methylcyclohex-2-enone
N-(2-(4-oxo-3,4-dihydroquinazolin-2-yl)phenyl) formamide
1-Propanone, 3-(3-aminophenyl)-1-(2-hydroxy-5-methoxyphenyl)-
1-chloro-2-phenyl-2-(trimethylsiloxy)ethane
methyl (E)-3-<(2R*,3S*)-2,3-dihydro-2-(4-hydroxy-3-methoxyphenyl)-3-hydroxymethyl-7-methoxy-1-benzofuran-5-yl>propenoate
(2S,3R,4S,5R)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-2,3,4,5-tetrahydro-[2,3']bifuranyl-3,4-diol
trans-(3S,4R)-(-)-1-benzyl-4-(tert-butyldimethylsilyloxy)methyl-3-ethylazetidin-2-one
Benzylamine
TRANS-2-PENTENOIC ACID
4-(benzoyl)benzenepropanoic acid N-hydroxysuccinimide ester
(S)-tert-butyl 2-amino-3-(2-bromo-5-hydroxyphenyl)propanoate
tetra-N-benzyl-5,6-O-cyclohexylidene-tetra-N-methoxycarbonylneamin
C61H64O10
Tetrabutylammonium iodide
2-(9-(Benzolsulfonyl)-13-<(benzolsulfonyl)amino>-5,9-diazatridecyl)-2-nitrocyclododecanon
(R)-3-[(4R,6S)-6-(2-Benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-1-{(4R,6R)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-propan-1-ol
(3E,5E)-6-chloro-1-(p-methoxyphenyl)hexa-3,5-diene
2,2-Dimethyl-propionic acid 2,4,4-trimethyl-3-oxo-5-[1-triisopropylsilanyloxy-meth-(E)-ylidene]-cyclohex-1-enyl ester
Chloro-acetic acid (2R,3R,4S,5R,6R)-4-benzyloxy-5-hydroxy-6-hydroxymethyl-2-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-3-yl ester
(5aS)-7β,9aβ-Dimethyl-6-methylene-4,5,5aα,6,7,8,9,9a-octahydronaphtho[1,2-c]furan-1(3H)-one
Toluene-4-sulfonic acid (4aR,6S,7R,8aS)-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester
(S)-(+)-2-methylpentyl p-nitrophenylsulfonate
C17H18Cl2N6O
Triethyl orthoformate
Silica gel
3-[2-[(Z)-[(5E)-3-(2-carboxyethyl)-5-[(4-ethyl-3-methyl-5-oxo-pyrrol-2-yl)methylene]-4-methyl-pyrrol-2-ylidene]methyl]-5-[(Z)-[(3E,4R)-3-ethylidene-4-methyl-5-oxo-pyrrolidin-2-ylidene]methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid
(2S,3R)-2-Allyloxycarbonylamino-3-(4-benzyloxy-3-chloro-phenyl)-3-hydroxy-propionic acid
Doxycycline hydrochloride
(4S,2S)-4-Chloro-<2-<<(1,1-dimethylethoxy)carbonyl>amino>-3-oxo-3-<2-oxo-4-(phenylmethyl)-3-oxazolidinyl>propyl>benzene
C25H28O7
C21H34O5Si
4-fluorophenol 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside
(E)-(S)-4-Ethyl-6-hydroxymethyl-1-(4-methoxy-phenyl)-nona-4,8-dien-1-one
Benzofuran, 2-(4-chlorophenyl)-5-nitro-
(2-{(2R,3S,4S,5S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-[(S)-4-(tert-butyl-dimethyl-silanyloxy)-3-methyl-butyl]-3,5-dimethyl-tetrahydro-pyran-2-yl}-3,4,6-trimethoxy-5-methyl-phenyl)-acetaldehyde
3-O-benzyl-5,6-dideoxy-1,2-O-isopropylidene-5-(N-benzyl-N-propenylamino)-α-D-gluco-7-eno-octo-1,4-furanose
(1E,3S,4R,5S)-5-(methoxymethoxy)-4,6-dimethyl-1-(phenylsulfonyl)-1-hepten-3-ol
4-Nitro-benzoic acid (S)-2-phenoxy-1-(3-trimethylsilanyl-oxiranyl)-ethyl ester
(2R,3S,4R,5R)-3,4-bis(benzyloxy)-N-(tert-butyloxycarbonyl)-2'-O-(tert-butyldiphenylsilyl)-2,5-bis(hydroxymethyl)pyrrolidine
