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An improved protocol for the preparation of 3-pyridyl- and some arylboronic acids
Authors:Li Wenjie  Nelson Dorian P  Jensen Mark S  Hoerrner R Scott  Cai Dongwei  Larsen Robert D  Reider Paul J
Institution:Process Research Department, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, USA. wenjie_li@merck.com
Abstract:3-Pyridylboronic acid was prepared in high yield and bulk quantity from 3-bromopyridine via a protocol of lithium-halogen exchange and "in situ quench". This technique was further studied and evaluated on other aryl halides in the preparation of arylboronic acids.
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