Assertion: l threonine | /r/HasAspect | a side chain
Facets:
Source sentences:
text: a) Where the pharmaceutical compound has an aliphatic or aromatic hydroxyl group an ester bond can be formed with the backbone carboxylic acid group of L-Threonine under esterification conditions; or b) Where the pharmaceutical compound has an aliphatic or aromatic hydroxyl group and the L-Threonine has the alcohol functionality on the side chain oxidized to an carboxylic acid, an ester bond can be formed therebetween under esterification conditions; or c) Where the pharmaceutical compound has a carboxylic acid group and the L-Threonine has a side chain aliphatic or aromatic hydroxyl group, an ester bond can be fowled therebetween under esterification condition; or d) Where the pharmaceutical compound has an ester group with a substituted or unsubstituted acyloxy (e.g., alkoxy- or arylalkoxy-, aryloxy carbonyl)