(3-Formyl-4-methoxyphenyl)boronic acid → HCID 22106460, compound

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From a mixture of 5-bromo-1-cyclopropylmethyl-1H-tetrazole with 5-bromo-2-cyclopropyl-2H-tetrazole (1.91 g) and 3-formyl-4-methoxy-phenyl-boronic acid (1.86 g) to give the title compound (657 mg) as a yellow solid. NMR (CDCl3) δ 0.45 (2H,m); 0.70 (2H,m); 1.3 (1H,m); 4.05 (3H,s); 4.3(2H,d); 7.2 (1H,d); 8.0 (1H,m); 8.15 (1H,d); 10.55 (1H,s).

Provenance & Evidence