【摘 要】
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N pentamethylene N′ arylureasareimportantfinechemicalintermediatesinindustriesofdye ,pig ment,pharmaceuticaland pesticide.At present,theirindustrialsynthesisus
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N pentamethylene N′ arylureasareimportantfinechemicalintermediatesinindustriesofdye ,pig ment,pharmaceuticaland pesticide.At present,theirindustrialsynthesisusesphosgenewhichisofhightoxicity[1 ,2 ] .Averypromisingnon phosgena tionprocessforsynthesisofvar
N pentamethylene N ’arylureasareimportant chemical intermediates inindustries of dye, pig ment, pharmaceuticaland pesticide. At present, their industrialsynthesisusesphosgenewhichisofhightoxicity [1, 2] .Averypromisingnonphosgenationprocessforsynthesisofvar
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