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New [e]-Fused Caffeines: A Simple Synthesis of 3-Substituted [1,2,4]Triazolo[4,3-e]purines.

✍ Scribed by Mosselhi A. N. Mosselhi; Nagla M. Tawfik; Ahmad S. Shawali

Publisher
John Wiley and Sons
Year
2003
Weight
108 KB
Volume
34
Category
Article
ISSN
0931-7597

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## Abstract Reaction of thiosemicarbazides (III) with Me‐I/AcONa gives regioselectively the linearly fused products (IV) while reaction of compounds (III) with DCC gives predominantly the angularly fused products (VI).