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. 2019 Feb 15;58(12):3870–3874. doi: 10.1002/anie.201813917

Scheme 1.

Scheme 1

Mechanistic studies. [a] Boronate 36 was prepared in situ from 35 (1.0 equiv) and PhLi (1.1 equiv). [b] Intermediate 51 was prepared in situ from hex‐1‐en‐6‐yl boronic acid pinacol ester (1.1 equiv) and PhLi (1.2 equiv). [c] Using 1.1 equiv of 36 prepared in situ from 35 (1.1 equiv) and PhLi (1.2 equiv).