98320-74-2Relevant articles and documents
Process for the preparation of phenyl (1,3,5-triazin-2-yl) carbamates
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Example 2, (2010/01/31)
The present invention discloses a process for the preparation of phenyl (1,3,5-triazin-2-yl)carbamates of the formula (I)???wherein???R1is hydrogen atom, C1-C4alkyl or C1-C4alkoxy???R2and R3are independently hydrogen atom, halogen atom, C1-C4alkyl, C1-C4alkoxy, C1-C4alkylthio, C1-C4haloalkyl, C1-C4haloalkoxy, C1-C4haloalkylthio, C2-C4alkoxyalkyl or NR7R8???R7and R8are independently hydrogen atom or C1-C4alkyl???R4, R5and R6are independently hydrogen atom, halogen atom, C1-C4alkyl or C1-C4alkoxywhich comprises:reacting 2-amino-1,3,5-triazines of the formula (II)with diphenyl carbonates of the formula (III)???in the presence of alkali metal hydrides in aprotic polar solvents.