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Primary protecting groups, regioselective removal

SCHEME 3.21 Examples of regioselective removal of primary protecting groups. [Pg.91]

The primary OH group can be selectively blocked by the bulky triphenyl-methyl (trityl) moiety, followed by esterification at the secondary OH groups and removal of the protecting trityl group. Thus 2,3-di-O-acetyl cellulose has been obtained by this procedure. Moreover, regioselectively substituted mixed cellulose esters, acetate/propionate, were prepared by subsequent acy-... [Pg.137]

See other pages where Primary protecting groups, regioselective removal is mentioned: [Pg.62]    [Pg.115]    [Pg.226]    [Pg.91]    [Pg.203]    [Pg.75]    [Pg.47]    [Pg.66]    [Pg.281]    [Pg.226]    [Pg.386]    [Pg.1015]    [Pg.69]    [Pg.228]    [Pg.370]    [Pg.216]    [Pg.1369]    [Pg.1386]    [Pg.186]    [Pg.380]    [Pg.45]    [Pg.105]    [Pg.52]    [Pg.70]    [Pg.1381]    [Pg.1383]    [Pg.314]    [Pg.126]   


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Primary groups

Primary protected

Primary protection

Protecting groups regioselective protection

Protecting groups, removal

Protective groups, removal

Regioselective protection

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