Assertion: phosphoric acid | /r/CapableOf | play two key functions
Facets:
value: as a brønsted acid catalyst
type: MANNER
Source sentences:
text: Phosphoric acid played two key functions: (a) as a Brønsted acid catalyst that activated the epoxide toward nucleophilic attack by the diol , thus generating ether (C–O–C) cross-linkages; and (b) as a reaction partner establishing phosphate ester linkages [(RO) 2 (O)P–