Noraishah Abdullah, Zurina Shaameri, Ahmad Sazali Hamzah and Mohd Fazli Mohammat 2024. Synthesis of Trans-4-Hydroxyprolineamide and 3-Ketoproline Ethyl Ester for Green Asymmetric Organocatalysts. Journal of Advanced Research in Applied Sciences and Engineering Technology. 38, 1 (Jan. 2024), 97–108. DOI:https://doi.org/10.37934/araset.38.1.97108.