I can not wrap my head around how Solow has not redeveloped this site, but sounds like it's inching forward.
Sheldon Solow’s empty east side site will gain 3 more condos, biotech office space
"...The Times interview makes clear that Solow and Soloviev are still looking ahead to the redevelopment of the vacant site across from 685 First. The site is poised to give rise to three residential buildings, originally conceived as rentals. Those buildings will now be condos, a move that will help the developer recoup its expenditures more quickly. The paper of record also notes that the site’s master plan still calls for a fourth structure, an office building, that the developer plans to lease to biotech companies..."