The chairman of General Motors Corp. (GM) said Monday the company wasn't pursuing any fresh alliances following a fruitless search for suitable partners over the past three years.

Kent Kresa told Dow Jones Newswires that the auto maker wasn't thinking about more partnerships as part of the restructuring plan that moved into bankruptcy court Monday.

GM's pursuit of fresh funding and added scale had seen it court Renault-Nissan in 2006 after its failed tie-up with Fiat SpA (FIATY) as well as with Chrysler.

Court documents filed Monday also revealed the company had held talks with sovereign wealth funds and other potential partners, and contemplated a $3 billion stock offering last fall.

Kresa also acknowledged "that there will be challenges" to its bankruptcy plan, a reference to disgruntled bondholders who remain unhappy with the terms of a debt-for-equity exchange that will leave the group with a 10% stake in a "new GM", plus some warrants.

He said GM was interviewing candidates for its board, the majority of which will be replaced. The independence of the new board is seen as the key bulwark against interference by its new majority owner, the U.S. government.

Kresa also reiterated GM's line that its focus would be on customers and product development, pledging that capital expenditure wouldn't be cut during or after the bankruptcy process.

-Sharon Terlep, Dow Jones Newswires; 248-204-5532; sharon.terlep@dowjones.com