Real Sociedad president Jokin Aperribay said there has been no approach for Willian Jose but added "we all know Barcelona are looking for a striker".
Barca are looking to bolster their attack with Luis Suarez sidelined and Ousmane Dembele set to undergo hamstring surgery on Tuesday.
The La Liga champions are said to be confident of securing special dispensation from authorities to bring in reinforcements outside of the transfer window following this latest setback.
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Sociedad striker Willian Jose – linked to Tottenham and Manchester United during the January transfer window – is reportedly Barca's main target.