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Synthesis of 1′-substituted and 1′,3′-disubstituted (±)-2R*, 11bS*-9,10-Dimethoxy-1,3,4,6,7,11 b-Hexahydrospiro-[benzo[a]quinolizin-2,5′-imidazolidine]-2′,4′-diones

✍ Scribed by J. Carlos Menéndez; Mónica M. Söllhuber


Book ID
112130029
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
704 KB
Volume
28
Category
Article
ISSN
0022-152X

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One-pot synthesis of novel spiro 2,3,7,8
✍ D. Ashok; D. Shravani 📂 Article 📅 2008 🏛 Elsevier Science 🌐 French ⚖ 159 KB

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.