反应 #1058639

ord-ef0992791dcc47e5ac8efd1e9100b14f

反应条件

详细条件
See reaction.notes.procedure_details.

实验过程

If instead of 22.5 g of the disodium salt of 3-aminophthalic acid, an equivalent amount of the disodium salt of 4-aminophthalic acid is employed and in other respects the procedure indicated in the above example is followed, 4-(di-methylmaleinimidyl)-phthalic anhydride of melting point 197° C. is obtained.

来源

DOI: 10.6084/m9.figshare.5104873.v1专利: US04160081uspto-grants-1979_07