Is there any good alternative for DMAP because DMAP is very undesirable because of it's toxicity?

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Vladimir Khlebnikov

I am sure you don't need DMAP or its analogs for your reaction. Simple base like triethylamine will work just fine.

Americo Lemos

similar question has been addressed : https://www.researchgate.net/post/what_chemical_can_replace_DMAP_4-Dimethylaminopyridine?view=58987399eeae39bbb146bd16

good luck