(R)-5-Methyl-2-p-tolylethynyl-5,6-dihydro-4H-[1,3]oxazine 在
dicobalt octacarbonyl 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.0h,
以5.2%的产率得到(5R)-2-[3,5-bis[(5R)-5-methyl-5,6-dihydro-4H-1,3-oxazin-2-yl]-2,4,6-tris(4-methylphenyl)phenyl]-5-methyl-5,6-dihydro-4H-1,3-oxazine