Abstract
5-ortho-Carboranylsalicylaldehyde was prepared from 5-iodosalicylaldehyde in six steps in 18% overall yield, and also from 5-iodosalicylic acid in seven steps in 45% overall yield. The reaction of 5-ortho-carboranylsalicylaldehyde with Fischer's base gave a spiropyran in 63% yield.
ACKNOWLEDGMENT
This work was supported by Korea University.