I want to derivatized the
Cysteamine hydrochloride by Benzaldehyde. I just prepare the 10% solution of benzaldehyde and add in to methanlic solution of Cysteamine hydrochloride. The 200 ppm Cysteamine hydrochloridesolution I have to use. I inject the solution on HPLC but no peak was found except the benzaldehyde. What is reason behind this. SHould I introduce the NaBH4 soltion into his of I have directly use bemzoyl chloride to derivatized it.
I also want to know from u that what is basic priciple to derivatized the amine or amine salts.