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. Author manuscript; available in PMC: 2020 Jun 7.
Published in final edited form as: Org Lett. 2019 Mar 21;21(11):3886–3890. doi: 10.1021/acs.orglett.9b00779

Scheme 5. Scope of Diazo Estersa.

Scheme 5.

aStandard conditions: 8a (0.30 mmol), 5a (0.60 mmol), and 9 (0.45 mmol). bThree equiv of diazophosphonate 9f (0.90 mmol) were used. Isolated yields are reported.