A method for solid phase synthesis of spiroindolines using the Fischer indole reaction is described. Various arylhydrazines react cleanly with polymer bound piperidine-4-carboxaldehyde in TFA/CH2Cl2. The products are isolated in good yields and high purity. (C) 1997 Elsevier Science Ltd.
A method for solid phase synthesis of spiroindolines using the Fischer indole reaction is described. Various arylhydrazines react cleanly with polymer bound piperidine-4-carboxaldehyde in TFA/CH2Cl2. The products are isolated in good yields and high purity. (C) 1997 Elsevier Science Ltd.