| 摘要 |
Process for preparing a bis (hydroxymethyl) perylenetetra carboximide compound by reacting perylene-3,4,9,10-tetracarboximide with formaldehyde. The bis (hydroxymethyl) perylenetetra carboximide can be isolated or further reacted in a one pot synthesis to yield a compound of formula (I), wherein X1 and X2, each independently of the other, are organic radicals, D is chlorine or bromine, and n is an integer from 0 to 4; which perylene derivative contains from 0 to 6 moles of -SO3M per mole of the perylene derivative; wherein M is hydrogen or a metal or ammonium cation.
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