Products
1-N-p-methoxyphenyl-3-phthalymido-4(2-methoxyphenyl Cr(CO)3) azetidin-2-one
yield = 83% d.e.> 98% [a]D= -238 (c 0.1 CHCl3)
2-N-p-methoxyphenyl-3-phthalymido-4(2-methoxyphenyl ) azetidin-2-one
yield = 86% e.e.> 98% [a]D= -31 (c 1 CHCl3)
3-N-p-methoxyphenyl-3-amino-4(2-methoxyphenyl) azetidin-2-one
yield = 67% [a]D= -80 (c 0.1 CHCl3)