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227306-23-2

Boronic acid, B-(2,2-dimethyl-1,3-benzodioxol-5-yl)- synthesis

4synthesis methods
73790-19-9 Synthesis
5-BROMO-2,2-DIMETHYL-1,3-BENZODIOXOLE

73790-19-9
74 suppliers
$49.00/100mg

Boronic acid, B-(2,2-dimethyl-1,3-benzodioxol-5-yl)-

227306-23-2
3 suppliers
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Yield:227306-23-2 66%

Reaction Conditions:

Stage #1: 5-bromo-2,2-dimethyl-1,3-benzodioxolewith tert.-butyl lithium in tetrahydrofuran;pentane at -78; for 1 h;Inert atmosphere;
Stage #2: with Trimethyl borate in tetrahydrofuran;pentane at -78 - 20; for 2 h;Inert atmosphere;

References:

Fukuda, Tsutomu;Itoyama, Ryosuke;Minagawa, Terufusa;Iwao, Masatomo [Heterocycles,2014,vol. 88,# 2,p. 1121 - 1133]