Vilas Sudrik, Dnyaneshwar Karpe, Vrushali Jadhav, Shamrao Lawande
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Efficient one-pot process for synthesis of antiviral drug Ganciclovir
A regioselective novel one-pot synthesis of heterocyclic purine derivative antiviral agent Ganciclovir in which initially guanine is treated with acetic anhydride in the presence of iodine (5%) to get diacetyl guanine intermediate, which undergoes in situ N-alkylation with AMDP in presence of catalytic acidic Amberlite IR-120 to get N-alkylated intermediate and finally deacetylation to get pure regioselective Ganciclovir, which is commercially viable and eco-friendly.
Graphical abstract
We developed one-pot synthesis of antiviral drug Ganciclovir. Initially, Guanine is treated with acetic anhydride and iodine to yield diacetyl guanine 3. This intermediate then reacted with AMDP in the presence of acidic Amberlite IR-120 to obtain compound 5. Finally, deacetylation yields Ganciclovir 1, a commercially viable and eco-friendly process.
期刊介绍：
Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.
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