5-Formyl-4-methylthiophene-2-carboxylic acid → Rac-5-{3-[4-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-3,5-dimethyl-phenyl]-[1,2,4]oxadiazol-5-yl}-3-methyl-thiophene-2-carbaldehyde

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Reaction Steps

The title compound is prepared according to Method A starting from 5-formyl-4-methyl-thiophene-2-carboxylic acid and rac-4-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-N-hydroxy-3,5-dimethyl-benzamidine; LC-MS: tR=1.16 min; [M+1]+=429.16; 1H NMR (D6-DMSO): δ1.34 (s, 3H), 1.38 (s, 3H), 2.34 (s, 6H), 2.65 (s, 3H), 3.79-3.93 (m, 3H), 4.10-4.15 (m, 1H), 4.42-4.49 (m, 1H), 7.75 (s, 2H), 8.07 (s, 1H), 10.17 (s, 1H).

Provenance & Evidence