HCID 22283318, compound → HCID 22283192, compound

Participants

Reaction Steps

1.6 g of rac-[7-(2-bromo-1 -hydroxy-ethyl)-4-methoxy-benzothiazol-2-yl]-carbamic acid methyll ester (0.0044 Mol) were dissolved in CHCl3 (100 ml) and treated with 3.8 g of MnO2 (0.044 Mol) for 3 hrs. at 70° C. The hot reaction mixture was filtered and subsequently concentrated. The crude product was crystallized from Et2O to yield the title compound as a beige solid (73%); F.p.: 250-260° C. (dec.).

Provenance & Evidence