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. Author manuscript; available in PMC: 2020 Apr 19.
Published in final edited form as: Org Lett. 2019 Feb 28;21(8):2493–2497. doi: 10.1021/acs.orglett.9b00508

Table 2.

Redox-neutral coupling of alcohols 1a–1j with bis-Boc-carbonate 2a to form adducts 3a–3j.a

graphic file with name nihms-1019068-t0006.jpg
a

Yields are of material isolated by silica gel chromatography. Enantioselectivity was determined by chiral stationary phase HPLC analysis. See Supporting Information for further experimental details.

b

(S)-Ir-II (5 mol %).

c

DME (0.2 M), 60 °C.