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ChemInform Abstract: Synthesis of Dialkyl 2-(Alkylamino)-4,9-dihydro-9-oxocyclohepta[b]pyran-3,4-dicarboxylates.

✍ Scribed by Javad Azizian; Ali Ramazani; Mohammad Haji

Publisher
John Wiley and Sons
Year
2011
Weight
23 KB
Volume
42
Category
Article
ISSN
0931-7597

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Synthesis of Dialkyl 2-(Alkylamino)-4,9-
Synthesis of Dialkyl 2-(Alkylamino)-4,9-dihydro-9-oxocyclohepta[b]pyran-3,4-dicarboxylates
✍ Javad Azizian; Ali Ramazani; Mohammad Haji 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 German ⚖ 149 KB

## Abstract Dialkyl 2‐(alkylamino)‐4,9‐dihydro‐9‐oxocyclohepta[__b__]pyran‐3,4‐dicarboxylates are prepared in a one‐pot three‐component reaction of alkyl isocyanide, dialkyl acetylenedicarboxylate, and __α__‐tropolone (=2‐hydroxycyclohepta‐2,4,6‐trienone). The reaction proceeds smoothly at room tem

ChemInform Abstract: Synthesis of 3,4-Di
ChemInform Abstract: Synthesis of 3,4-Dihydro-4-hydroxy-9-methoxy-2H-naphtho(2,3-b) thiopyranoquinone.
✍ R. A. TAPIA; M. C. GARATE; J. A. VALDERRAMA; P. R. JENKINS; J. FAWCETT; D. R. RU 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 2 views

Synthesis of 3,4-Dihydro-4-hydroxy-9-methoxy-2H-naphtho(2,3-b) thiopyranoquinone. -In order to obtain products with useful biological activity the title derivative (V) is synthesized starting from the known ketone (I). The structure of (V) is determined by X-ray analysis. -(TAPIA, R.