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A tandem decarboxylation/Diels–Alder reaction of 5-amino-1-phenyl-4-pyrazolecarboxylic acid with 1,3,5-triazines

✍ Scribed by Qun Dang; Yan Liu; Zhili Sun


Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
80 KB
Volume
42
Category
Article
ISSN
0040-4039

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The scope of 1,3,5-triazine inverse electron-demand Diels-Alder (IDA) reactions was expanded to include aminothiophenecarboxylic acids as latent dienophiles. A series of 2-amino-3-thiophenecarboxylic acids (1a-d) and a 3-amino-2-thiophenecarboxylic acid (5) were introduced as productive dienophiles