210633-47-9

Upstream product

• 110876-10-3 4-(p-methoxystyryl)-2H-naphtho<1,2-b>pyran-2-one 
• 138793-88-1 9-(4-methoxy-phenyl)-6-oxo-6a,7,8,9-tetrahydro-6H-dibenzo[c,h]chromene-7,8-dicarboxylic acid 
• 108-88-3 toluene 

Downstream Products

• 210633-43-5 14-Chloro-5-(4-methoxy-phenyl)-3-phenyl-1-p-tolyl-3,4a,5,14b-tetrahydro-13-oxa-2,3-diaza-picen-4-one 
• 210633-34-4 5-(4-Methoxy-phenyl)-3-phenyl-1-p-tolyl-4a,5,14a,14b-tetrahydro-3H-13-oxa-2,3-diaza-picene-4,14-dione 
• 210633-30-0 5-(4-Methoxy-phenyl)-1-p-tolyl-4a,5,14a,14b-tetrahydro-3H-13-oxa-2,3-diaza-picene-4,14-dione 
• 210633-32-2 5-(4-Methoxy-phenyl)-4,14-dioxo-1-p-tolyl-4a,14,14a,14b-tetrahydro-4H,5H-13-oxa-2,3-diaza-picene-3-carboxylic acid amide 

Relevant academic research and scientific papers

Behaviour of a naphthopyranone derivative towards some nitrogen and carbon nucleophiles

9-(p-Anisyl)-6a,7,8,9-tetrahydro-6-oxo-6H-benzonaphtholpyran-7,8-dicarboxylic acid (3) has been prepared by cycloaddition of 4-(p-methoxystyryl)-2H-naphtholpyran-2-one (2) with maleic anhydride.The reactions of 3 with amines, phosphorous