## Abstract An efficient synthesis of [1,3]oxazino[3,2‐__f__]phenanthridine derivatives __via__ a three‐component reaction of phenanthridine, dimethyl acetylenedicarboxylate (DMAD), and aromatic aldehydes is described. This novel method is complementary to the classical __Huisgen__ 1,4‐dipolar cycl
Efficient Synthesis of [1,3]Oxazino[2,3-a]quinoline Derivatives by a Novel 1,4-Dipolar Cycloaddition Involving a Quinoline—DMAD Zwitterion and Carbonyl Compounds.
✍ Scribed by Vijay Nair; S. Devipriya; Suresh Eringathodi
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 24 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
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📜 SIMILAR VOLUMES
## Abstract The multicomponent procedure allows the regioselective synthesis of the title skeleton under mild conditions.
## Abstract Photocyclization of 3‐chloro‐N‐(3‐phenanthryl)thieno[2,3‐__b__]thiophene‐2‐carboxamide (5) yielded only one of the two possible structural isomers, thieno[3′,2′:4,5]thieno[2,3‐__c__]naphtho[1,2‐__f__]quinolin‐6(5__H__)‐one (6), which was further elaborated to afford the unsubstituted ri
## Abstract Photocyclization of 3‐chloro‐__N__‐(3‐phenanthryl)naphtho[1,2‐__b__]thiophene‐2‐carboxamide (**12**) furnished only one of the two possible isomers, __i.e.__, naphtho[2′,1′:4,5]thieno[2,3‐__c__]naphtho[1,2‐__f__]quinolin‐6(5__H__)‐one (**13**), which was further elaborated to yield the