"We consider it disrespectful to speak about players from other clubs", Zorc said.
Sanchez was forced to train with the club's development team on Thursday as his move to United was deemed imminent by Wenger.
He added: "Dortmund have all but lost patience with the 28-year-old and have not been shy voicing their displeasure about his behaviour ..." We played many times against him when he was at Dortmund.
Hertha are 11th on 24 points but victory over Dortmund could move them into the top seven. The Gabon worldwide is likely to reunite with his Borussia Dortmund teammate Henrikh Mkhitaryan at the Emirates.
The Spain worldwide, 22, is now contracted to the north London club until the summer of 2023.
Wenger, usually coy over Arsenal's transfer targets, was more open when discussing Aubameyang at his pre-match press conference this week.
Dortmund said the decision was a disciplinary action.
"My impression was he is not fully focused on our challenges. It's a hard situation".
Olivier Giroud, who is still a week from returning to full fitness following a hamstring injury, has been mooted as a potential makeweight in the deal to sign Aubameyang.
Aubameyang has a contract at Dortmund until 2021.
"He [was] not in the squad because yesterday he was absent at a very important team meeting - all the boys took part, even those who were injured", Dortumund coach Peter Stöger told Sky, according to the team website.
Manuello said: "Today it is just rumours but tomorrow it could become a reality". The report also claims that the Bundesliga club are reluctant to sell their leading striker but will accept a bid from Arsenal if they meet their âé¬70m (Âú61.8m) asking price.