NEW YORK CITY — Savanna, a New York City-based development and investment firm, has purchased 360 Lexington Avenue, a 268,383-square-foot office building in Manhattan, for $180 million. Barclays provided a $126 million loan for the acquisition. Savanna will rebrand the 12-story building and implement a $20 million renovation project that will deliver a new full lobby and entrance, bathrooms, corridors and infrastructure upgrades. Grant Frankel, Philip McKnight and Rob Turner of Eastdil Secured arranged financing through Barclays on behalf of Savanna. Cole Schotz P.C. served as Savanna’s legal counsel in the acquisition of the property.