Two developers expect to finalize the purchase of a site at the redevelopment of the former St. Anthony’s hospital in west Denver. Trailbreak Partners and Koelbel and Company are acquiring a block bounded by West 16th and West 17th avenues and Perry and Quitman streets. The will renovate the vacant Kuhlman building into 49 units of low and moderate income apartments and construct 25 for-sale townhouses. The historic Kuhlman building was formerly a nurses’ dormitory. Construction is expected to begin later this year.