反应详情

Following General Procedure C and using N-(3,5-difluorophenylacetyl)-L-alanine (from Example B2 above) and methyl 2-amino-2-(1H-tetrazol-5-yl)acetate (prepared from ethyl 1H-tetrazole-5-acetate [CAS 173367-99-2] using procedures essentially the same as those described in S. Kukolja, J. Med. Chem., 1985, 28, 1886-1896), the title compound was prepared as a solid. The reaction was product was purified by tituration using EtOAc/hexanes.

1. customwas purified by tituration