Phenanthro [4,5-abc]phenazine-18-crown-6 chromophore (1) was synthesized, and its two polymorphic modifications were obtained by recrystallization from dichloromethane/methanol and dichloromethane/ hexane solvent mixtures. Both polymorphs 1a and 1b crystallize in the same monoclinic P2 1 /c space gr
Synthesis and binding investigations of novel crown-ether derivatives of phenanthro[4,5- abc ]phenazine and quinoxalino[2′,3′:9,10]phenanthro[4,5- abc ]phenazine
✍ Scribed by Jradi, Fadi M.; El-Ballouli, Ala'a O.; Al-Sayah, Mohammad H.; Kaafarani, Bilal R.
- Book ID
- 121480918
- Publisher
- Taylor and Francis Group
- Year
- 2013
- Tongue
- English
- Weight
- 404 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1061-0278
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An efficient synthesis of novel spiro 2,3,7,8-tetrahydro-benzo[1,2-b:5,4-b 0 ]dipyran-4,6-dione and 2,3,8,9tetrahydro-benzo[1,2-b:4,3-b 0 ]dipyran-4,10-dione derivatives in high yields under microwave irradiation is described. The reaction was also studied under conventional heating conditions.
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