Tottenham were said to be favourites to do a deal, but Moura now has options with La Liga side Valencia now in the hunt, along with Napoli, who are keen to take him to Serie A before the window closes this month.
Chairman Daniel Levy had pledged to back Pochettino in the transfer market "if an opportunity" arose, but the Tottenham boss appears consigned to ending the month with largely the same squad as he began it.
Tottenham rarely do business during the January transfer window under Mauricio Pochettino, and that has been the case once again this time, with no new signings add this month. There are a lot of rumours, different names.
"Always it's hard, the transfer window, because it's only three and a half months of the competition [left] - February, March, April and 15 or 20 days in May". It's so hard to add players now; quality players who can help us to try to win games and achieve all we want.
The wide man has though failed to start a single league or Champions League game this season, and looks set to leave the club after being frozen out following the arrival of Neymar and Kylian Mbappe over the summer.
Cameron Carter-Vickers was recalled from a season-long loan at Sheffield United but has been sent out to Ipswich Town for the remainder of the campaign.
"You need to follow your way", he said.
"Sometimes you believe it's going to help, and sometimes you are going to create a problem - that is why the transfer window now is so hard".
"You need to be strong; you need to have personality, character and not be scared about what happens now".