Silica gel: A very cheap, reusable, and efficient catalyst for green preparation of some bis-4-hydroxycoumarin on water
الموضوعات : Iranian Journal of CatalysisSaeed Khodabakhshi 1 , Mojtaba Baghernejad 2
1 - Young Researchers and Elite Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
2 - Young Researchers and Elite Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
الکلمات المفتاحية: Catalyst, Biscoumarin, Silica gel, Water, Aldehyde,
ملخص المقالة :
Silica gel has been used for synthesis of biscoumarin derivatives starting from 4-hydroxycoumarin and aryl aldehydes. The reaction conditions are completely in agreement with green chemistry principles including sing water as media and a recyclable and safe catalyst. This method is also simple and inexpensive and leads to high yield of products in short reaction times.
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