PROCESS FOR THE PREPARATION OF BENZONORBORNENES

摘要

THE PRESENT INVENTION RELATES TO A NOVEL A PROCESS FOR THE PREPARATION OF 9- DICHLOROMETHYLENE-1,2,3,4-TETRAHYDRO-1,4-METHANO-NAPHTHALEN-5-YLAMINE WHICH PROCESS COMPRISES A) REACTING CYCLOPENTADIENE IN THE PRESENCE OF A RADICAL INITIATOR AND CXCI3, WHEREIN X IS CHLORO OR BROMO, TO A COMPOUND OF FORMULA II AA) REACTING CYCLOPENTADIENE WITH CXCI?, WHEREIN X IS CHLORO, IN THE PRESENCE OF A METAL CATALYST TO A COMPOUND OF FORMULA II WHEREIN X IS CHLORO, B) REACTING THE COMPOUND OF FORMULA II WITH A BASE IN THE PRESENCE OF AN APPROPRIATE SOLVENT TO THE COMPOUND OF FORMULA III C) AND CONVERTING THE COMPOUND OF FORMULA III IN THE PRESENCE OF 1 ,2-DEHYDRO-6-NITROBENZENE TO THE COMPOUND OF FORMULA IV AND D) HYDROGENATING THE COMPOUND OF FORMULA IV IN THE PRESENCE OF A METAL CATALYST.