Walgreens Boots Alliance (WBA) has agreed to be acquired by an entity affiliated with New York private equity firm Sycamore Partners, as part of a strategy to turn around the business.The total value of the transaction represents up to US$23.7 billion, according to a company statement. WBA shareholders will receive US$11.45 per share in cash at closing of the Sycamore transaction, which remains subject to the usual regulatory approvals.