Deals of the day- Mergers and acquisitions
(Adds Allergan, PetroChina, Hochtief, Hillshire Brands, Shire)
May 12 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Monday:
** U.S. drugmaker Allergan Inc rejected Valeant Pharmaceuticals International Inc's unsolicited takeover offer, saying it substantially undervalued the company.
** Hillshire Brands Co said it would buy Pinnacle Foods Inc for about $6.6 billion, including debt, adding products such as Duncan Hines baking mixes to its portfolio that includes Jimmy Dean sausages and Hillshire Farm luncheon meats.
** Australia's Ramsay Health Care is aiming to gain a majority stake in French private healthcare group Generale de Sante via a joint bid that values the company at around 910 million euros ($1.25 billion).