Reaction #955949

Reaction equation

9-(Bromomethyl)phenanthrene

triethyl phosphite

→

product

Yield 56.8%

diethyl (phenanthren-9-ylmethyl)phosphonate

Yield 56.8%

Conditions

Workup

1. 1
   ConcentrationThe reaction mixture was concentrated
2. 2
   Otherthe residue was purified by silica gel column chromatography

Procedure

9-(Bromomethyl)phenanthrene (18 g, 66.4 mmol) and triethyl phosphite (10.7 g) were mixed and heated to 150° C. under N2 for 4 h. The reaction mixture was concentrated and the residue was purified by silica gel column chromatography to yield 12 g of product.

Source