"The rumours that anything is imminent are not true," said Villas-Boas. "We allowed ourselves conversations with Real Madrid, confirmed by their coach - I think wrongly.
Gareth Bale in numbers
Premier League games:
"But the only thing we've communicated is that the player is not for sale."
He added: "Carlo is a person I appreciate a lot and we have great respect for each other but, bearing in mind this situation, they have decided to make it public.
"Normally, situations like this in England are scrutinised by the Football Association with lots of care and attention. We have seen lots of people speaking about a player that is not theirs and we are due some respect."
Villas-Boas was speaking following his side's 5-2 defeat by Monaco in a pre-season friendly on Saturday.
Wales international Bale did not travel with the rest of the Tottenham squad for the game in the French principality.
Former Liverpool managing director Christian Purslow, who has been around the Real Madrid camp in Los Angeles this week, said he expects Bale to join the Bernabeu club.
He told BBC Radio 5 live's Sportsweek programme: "The mood was very much one of confidence and expectation that Bale would go."
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