BG Group (LSE: BG) has agreed to sell its 60.1% stake in Brazilian gas distribution company Comgás to Cosan S.A. Indústria e Comércio for approximately $1.8 billion. www.bg-group.com
IBM has agreed to acquire Tealeaf, a San Francisco–based provider of online customer experience management solutions. No financial terms were disclosed. Tealeaf has raised over $12 million in VC funding from firms like Bay Partners, Matrix Partners and Foundation Captial. www.tealeaf.com
Royal DSM (NYSE: DSM) has agreed to acquire Kensey Nash Corp. (Nasdaq: KNSY), an Exton, Penn.-based maker of medical devices and biomaterials, for $360 million. The $38.50 per share offer represents around a 33% premium to yesterday’s closing price for Kensey Nash stock. www.kenseynash.com
Novartis AG has agreed to acquire Fougera Pharmaceuticals, a Melville, N.Y.-based maker of generic dermatology drugs, for $1.5 billion in cash. Sellers include Avista Capital Partners, DLJ Merchant Banking and Nordic Capital. www.novartis.com
Teradata (NYSE: TDC) has agreed to acquire eCircle, a Munich-based provider of cloud-based digital marketing, from TA Associates. No financial terms were disclosed. TA acquired a majority stake in eCircle in early 2010 for more than €60 million. www.ta.com
Zillow Inc. (Nasdaq: Z) has agreed to acquire RentJuice Corp., a San Francisco-based online real-time data platform for real estate professionals, for $40 million in cash. RentJuice had raised around in VC funding from Highland Capital Partners, NextView Ventures and Tim Draper. www.rentjuice.com
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