116703-71-0

Upstream product

• 15334-21-1 2,3-dihydro-c-3-hydroxy-t-3-methyl-r-2-phenyl-4H-1-benzopyran-4-one 
• 15334-22-2 2,3-trans-2,3-dihydro-3-methyl-2-phenyl-4H-1-benzopyran-4-one 
• 603-35-0 triphenylphosphine 
• 116703-60-7 2,3-dihydro-t-mesyloxy-c-3-methyl-r-2-phenyl-4H-1-benzopyran-4-one 

Relevant academic research and scientific papers

Flavanoids. 41. Stereospecific Synthesis of 2,3-Dihydro-c-3-substituted-t-3-methyl-r-2-phenyl-4H-1-benzopyran-4-ones

The synthesis of 2,3-dihydro-t-3-mesyloxy-c-methyl-r-2-phenyl-4H-1-benzopyran-4-one (1) is described.The reaction of mesylate 1 with various nucleophiles, first of all O- and N-nucleophiles, yields the corresponding 2,3-dihydro-c-3-substituted-t-3-methyl-