Hydrochloric Acid → HCID 18442435, compound

Participants

Reaction Steps

1,1-Dioxo-3,3-dibutyl-5-(4-t-butoxycarbonylaminophenyl)-8-ethoxycarbonylmethoxy-2,3,4,5-tetrahydro-1,5-benzothiazepine (Method 108; 607 mg, 1.0 mmol) was dissolved in THF (6 ml), H2O (6 ml) and LiOH (127 mg, 3.02 mmol, monohydrate) was added. The mixture was stirred for 1 hour. The mixture was poured into water and the solution was acidified using HCl-solution (aq, 1M). The water layer was extracted two times with EtOAc. The combined organic layer was wash once with brine, dried, filtered and evaporated under reduced pressure to give the title compound 0.571 g (99%). M/z 575.4.

Provenance & Evidence