Lithium iodide → HCID 21304718, compound

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Reaction Steps

The methyl ester of methyl (3S)-4-{[4-({7-[(tert-butoxycarbonyl)amino]-2-heptynyl}oxy)phenyl]sulfonyl}-2,2-dimethyl-3-thiomorpholine carboxylate was converted into the analogous carboxylic acid using lithium iodide according to the procedure of Example 250 to provide (3S)-4-{[4-({7-[(tert-butoxycarbonyl)amino]-2-heptynyl}oxy)phenyl]sulfonyl}-2,2-dimethyl-3-thiomorpholine carboxylic acid as a white solid. Electrospray Mass Spec: 541.2 (M+H)+

Provenance & Evidence