Abu Dhabi's ADNOC has struck a deal to buy German chemicals maker Covestro for 14.7 billion euros ($16.3 billion), including debt, in the energy giant's biggest ever acquisition.

Abu Dhabi’s national oil company has agreed a €14.7bn deal to buy German chemicals group Covestro in one of the largest European takeovers this year. Adnoc, which has been pursuing Covestro since last year,

The tie-up is part of the oil producer’s big bet on chemicals, as it tries to transform into a fully integrated energy company.