SL Green earns a fast $50M on Madison Ave.

SL Green Realty Corp. didn’t win 510 Madison Ave. but the company will receive an estimated $50 million consolation prize for its unsuccessful fight to win control of the new midtown tower. SL Green purchased two discounted loans on the property last year and had been trying to use that position to foreclose on owner Macklowe Properties. However, last week Boston Properties announced it reached …