630403-06-4

Upstream product

• 65650-03-5 5-(4-chloro-benzoyl)-furan-2-carboxylic acid methyl ester 

Downstream Products

• 852109-69-4 2-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-9-ethyl-1,6-dioxa-9-aza-spiro[4.5]dec-3-en-10-one 
• 630403-09-7 5-[(4-chloro-phenyl)-hydroxy-methyl]-furan-2-carboxylic acid ethyl-(2-hydroxy-ethyl)-amide 

Relevant academic research and scientific papers

Molecular diversity of tonghaosu: Synthesis of lactam-containing tonghaosu analogs

A new type of tonghaosu analogs containing spiroketal and lactam functionality was synthesized from methyl 2-furoate and amino alcohols. The stereoselective control of spiroketal chirality was also explored.