Deals of the day-Mergers and acquisitions

March 10 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Monday:

** Sumitomo Mitsui Finance and Leasing (SMFL) SUMFL.UL said its joint venture will acquire Macquarie Rotorcraft, the UK-based helicopter leasing business of financial giant Macquarie's MQG.AX asset management arm. nL4N3PT0HN

** Britain's Alliance Pharma ALAPH.L said it has agreed to a sweetened final cash proposal from asset management firm DBAY Advisors, valuing the healthcare group at about 362 million pounds ($467.5 million). nL4N3PT0GL

** Swiss private bank J. Safra Sarasin Group has agreed to buy 70% of Denmark's Saxo Bank in a deal valued at around 1.1 billion euro ($1.19 billion), Saxo Bank said. nL8N3PT057

** India's Sun Pharmaceutical Industries SUN.NS said it will acquire Checkpoint Therapeutics CKPT.O, a U.S.-based immunotherapy and targeted oncology company, for $355 million. nL4N3PT05G

** Japan's Seven & i Holdings 3382.T said that talks have begun with Canada's Alimentation Couche-Tard (ACT) over a store sale plan that would set the stage for ACT's $47 billion takeover bid. nL1N3PT00L