(S)-Methyl 2-(5-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(3',5'-difluoro-2'-((S)-pent-4-en-2-yloxy)-[1,1'-biphenyl]-3-yl)-7,8-dimethylimidazo[1,2-a]pyridin-6-yl)-2-(tert-butoxy)acetate → Methyl(2S)-2-(tert-butoxy)-2-[(22S,24Z)-17,19-difluoro-4,5,22,28-tetramethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18,24-undecaen-3-yl]acetate

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Reaction Steps

Prepared in 41.6% yield from (S)-methyl 2-(5-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(3′,5′-difluoro-2′-((S)-pent-4-en-2-yloxy)-[1,1′-biphenyl]-3-yl)-7,8-dimethylimidazo[1,2-a]pyridin-6-yl)-2-(tert-butoxy)acetate following the procedure for methyl(2S)-2-(tert-butoxy)-2-[(22S)-18-fluoro-4,22,28-trimethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18,24-undecaen-3-yl]acetate. LCMS (ESI, M+1): 688.2.

Provenance & Evidence