infinitive negative

[blumare]

Hi, I need help with the following sentence:' Slowly, not to wake him up, he opened the door....' I know that this isn't the right way to express it, but I can't find another way to translate the infinitive negative sentence.
Thank you for your help.

 

[susiedqq]

How about;
In order to not wake him up, he opened the door slowly.

 

[billmcd]

Slowly, so as not to awaken him, he opened........

 

[bhaisahab]

Slowly, so as not to awaken him, he opened........

That's perfect, thankyou.

 

[blumare]

That's perfect, thankyou.

thank you very much for your help!