TY - JOUR AU - Ehashi, Shigeyuki AB - Direct synthesis of τ-form metal-free phthalocyanine (τ-H2Pc) was performed from phthalodinitrile by using of 1,8-diaza-bicyclo(5,4,0)undecene-7 (DBU) and crystal nucleus in alcohol.The yield of τ-H2PC was investigated under various conditions. TI - Direct Synthesis of τ-Form Metal-Free Phthalocyanine from Phthalodinitrile by Seeding Procedure JO - Chemistry Letters DO - 10.1246/cl.1988.179 DA - 2006-03-27 UR - https://www.deepdyve.com/lp/oxford-university-press/direct-synthesis-of-form-metal-free-phthalocyanine-from-4tWOh6onSf SP - 179 EP - 182 VL - 17 IS - 2 DP - DeepDyve ER -