Add time:07/13/2019         Source:sciencedirect.com

An efficient stereocontrolled synthesis of the potent C17,20-lyase inhibitor, (1S)-1-(1H-imidazol-4-yl)-1-(6-methoxy-2-naphthyl)-2-methyl-1-propanol 1, has been established. The stereogenic center of 1 was successfully constructed by a highly diastereoselective Grignard reaction of 2, while a subsequent imidazole ring annulation afforded 1 in an enantiomerically pure form. The procedure enables a practical synthesis of 1 that can be conveniently carried out on a multigram scale.

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