ethyl acetate

Hello dear users 🤘 i need done help with my synthesis I have 2b4m Ethyl acetate MA 40% aq solution HCl 38% acetone Dh2o First i dissolve 100g 2b4m without grinding in 300ml EA stirring 20min until dissolves and heating to 40c, then i pour 200 ml MA 40 with stirring without heating. my...

Hey guys, I have made some 3cmc in ethyl acetate and yield was below 20%. I used 100g 2b3c, 200ml ethyl acetate and 200ml methyloamine. Now I'm looking for my mistake and I think the problem is in amination process. How long should amination lasts? Color of solution is any signal that I must...