I found the field of Chemistry very interesting. Saw the article L-Ascorbic acid as an efficient organocatalyst for the synthesis of dispiro[tetrahydroquinoline-bis(1,3-dioxane-4,6-dione)] derivatives published in 2021. COA of Formula: C8H8O2, Reprint Addresses Xu, ZH (corresponding author), Jiangxi Normal Univ, Minist Educ, Key Lab Funct Small Organ Mol, Nanchang 330022, Jiangxi, Peoples R China.; Xu, ZH (corresponding author), Jiangxi Normal Univ, Coll Chem & Chem Engn, Nanchang 330022, Jiangxi, Peoples R China.; Liu, JL (corresponding author), NanChang Hongdu Hosp TCM, Nanchang 330006, Jiangxi, Peoples R China.; Huang, QS (corresponding author), Nanchang Univ, Affiliated Hosp 1, Clin Lab, Nanchang 330006, Jiangxi, Peoples R China.. The CAS is 123-11-5. Through research, I have a further understanding and discovery of 4-Methoxybenzaldehyde
An efficient four-component reaction between aromatic aldehydes, 1,3-dioxane-4,6-dione, arylamines and acetone for the synthesis of dispiro[tetrahydroquinoline-bis(1,3-dioxane-4,6-dione)] derivatives in the presence of L-ascorbic acid as an efficient organocatalyst, is described. The remarkable advantages offered by this protocol are an inexpensive catalyst, good yields, a broad substrate scope, mild conditions and, a simple and easy work-up procedure. This method affords the end products through a combination of the Knoevenagel, Michael, Diels-Alder and an intramolecular reaction. [GRAPHICS] .
COA of Formula: C8H8O2. About 4-Methoxybenzaldehyde, If you have any questions, you can contact Rui, PX; Xu, ZH; Liu, JL; Huang, QS or concate me.
Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles