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. Author manuscript; available in PMC: 2013 Sep 21.
Published in final edited form as: Org Lett. 2012 Sep 4;14(18):4814–4817. doi: 10.1021/ol302124j

Table 3.

Scope of Electrophiles in the Borylation Reaction with (Me2N)2BB(NMe2)2

graphic file with name nihms405477u4.jpg
entry X time % isolated yield
1 Cl 5 94, 93a
2 Br 5 87, 94a
3 I 9 51, 73a
4 OTf 6.5 98, 99a

General conditions: 0.5 mol % of 1, 1.0 mol % of 2, 3.0 equiv of KOAc, 3.0 equiv of B2(NMe2)4, MeOH (0.2 M), 60 °C for time indicated.

a

Yield from previous method with B2(OH)4 as boron source (ref 15).