Edward A. Hjerpe, president and CEO of the Federal Home Loan Bank of Boston, has purchased a condo at The Residences at W Boston in the city’s Chinatown neighborhood.

Hjerpe and Macrina G. Hjerpe spent $875,000 on the unit, which was owned previously by SW Boston Hotel Venture, according to data obtained from The Warren Group, publisher of Banker & Tradesman.

The unit was bought with a $644,000 mortgage from Boston Private Bank.

The 110 Stuart St. development includes a luxury hotel, condos, a bar and restaurant. Many of the 123 condo units remain unsold. Although the hotel and restaurant at the W are popular, SW Boston has had difficulty selling the condos in what was once one of Boston’s more hardscrabble neighborhoods. In early 2010, the complex’s owner filed for Chapter 11 bankruptcy protection.

Hjerpe became president and CEO of the Federal Home Loan Bank of Boston (FHLB) in mid-2009. He joined the FHLB after a stint as interim CEO of Strata Bank in Medway, which under his guidance was acquired by Natick-based Middlesex Savings Bank.

The Hjerpes still own a 3,713-square-foot home in Barrington, R.I., according to The Warren Group. The couple purchased the home in 1997.