I was forbidden to recite (the Qur'an) while I was bowing, and there is no mention of 'Ali in the chain of transmitters.
Sahih Muslim Book 4, Hadith 244
← Previous Hadith This hadith is transmitted on the authority of 'Ali, but he made no mention of" while in prostration".

Sahih Muslim Book 4, Hadith 243 Next Hadith → The Messenger of Allah (ﷺ) said: The nearest a servant comes to his Lord is when he is prostrating himself, so make supplication (in this state).

Sahih Muslim Book 4, Hadith 245