SHELTON, CONN. — R.D. Scinto Co. has purchased a 2.83-acre parcel of land in Shelton for the construction of a 27,000-square-foot retail center. Shelton is 10 miles west of New Haven. The land was purchased from 900 Shelton Plaza Associates for $1.5 million, or just over $530,000 per acre. When completed, the building will be a single-story center with a terra cotta exterior. Bruce Wettenstein of Vidal/Wettenstein was the listing broker and also represented R.D. Scinto in the transaction. Cohen & Thomas PC provided legal counsel for the seller.