Synthesis of N,N′-bis(3-chlorophenyl)-3,4-diaminofurazan(BCPDAF) is a proposed intermediate for synthesizing a novel explosive－N,N′-bis (2′,4′-dinitrobenzofuroxan)-3,4-diaminofurazan (BNFDAF) which is predicted to have low mechanical sensitivity and high thermal stability. In this paper,the synthesis of BCPDAF is described in detail. The condensation of dichloroglyoxime with 3-chloroaniline in basic media gives N,N′-bis (3-chlorophenyl) diaminoglyxime which can then be converted to BCPDAF via dehydration in a NaOH-HOCH₂CH₂OH solution at high temperature. It is presumed that BNFDAF could be formed from BCPDAF via nitration,azidation and denitrification. The structures of BCPDAF and its intermediate have been determined by IR,1HNMR,MS and elemental analysis.