(2013). Synthesis of New Dipyrimidine and Dialkyl Terephthalate Derivatives from 2,6-Diphenyl-sulphonyloxy-1H, 3H, 5H, 7H-pyrrolo [3,4-F] isoindole- 1, 3, 5, 7-tetrone. test, 56(2), 111-126. doi: 10.21608/ejchem.2013.1102
. "Synthesis of New Dipyrimidine and Dialkyl Terephthalate Derivatives from 2,6-Diphenyl-sulphonyloxy-1H, 3H, 5H, 7H-pyrrolo [3,4-F] isoindole- 1, 3, 5, 7-tetrone". test, 56, 2, 2013, 111-126. doi: 10.21608/ejchem.2013.1102
(2013). 'Synthesis of New Dipyrimidine and Dialkyl Terephthalate Derivatives from 2,6-Diphenyl-sulphonyloxy-1H, 3H, 5H, 7H-pyrrolo [3,4-F] isoindole- 1, 3, 5, 7-tetrone', test, 56(2), pp. 111-126. doi: 10.21608/ejchem.2013.1102
Synthesis of New Dipyrimidine and Dialkyl Terephthalate Derivatives from 2,6-Diphenyl-sulphonyloxy-1H, 3H, 5H, 7H-pyrrolo [3,4-F] isoindole- 1, 3, 5, 7-tetrone. test, 2013; 56(2): 111-126. doi: 10.21608/ejchem.2013.1102

Synthesis of New Dipyrimidine and Dialkyl Terephthalate Derivatives from 2,6-Diphenyl-sulphonyloxy-1H, 3H, 5H, 7H-pyrrolo [3,4-F] isoindole- 1, 3, 5, 7-tetrone

Egyptian Journal of Chemistry
Article 1, Volume 56, Issue 2, April 2013, Pages 111-126    PDF (644.96 K)
DOI: 10.21608/ejchem.2013.1102
Abstract
THE TITLE compound 2 was obtained by treatment of 2,6-dihydroxypyromellitimide 1 with benzenesulphonyl chloride. Compound 2 was used as starting material for the synthesis of new dipyrimidine and dialkyl 2,5-di [(alkoxycarbonyl) amino] terephthalate derivatives. The reaction of 2 with different amines was intensively investigated with respect to the probability of isomerization.
Keywords
5-Diaminoterephthalic acid diesters; 2; 6-Dihydroxy-pyromellitic imide; Lossen degradation and Pyrimidinediones
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