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ChemInform Abstract: [4 + 2] Cycloaddition of α,β-Unsaturated Acid Anhydrides to 2-Furylpiperidin-4-ones: The Short Route to Annulated 8,10a-Epoxypyrido[2,1-a]isoindoles.

✍ Scribed by Fedor I. Zubkov; Inga K. Airiyan; Anastasiya A. Dzyubenko; Nataliya I. Yudina; Vladimir P. Zaytsev; Eugeniya V. Nikitina; Alexey V. Varlamov; Victor N. Khrustalev; Dmitry G. Grudinin

Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
41
Category
Article
ISSN
0931-7597

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[4+2] Cycloaddition of α,β-unsaturated a
[4+2] Cycloaddition of α,β-unsaturated acid anhydrides to 2-furylpiperidin-4-ones: The short route to annulated 8,10a-epoxypyrido[2,1-a]isoindoles
✍ Fedor I. Zubkov; Inga K. Airiyan; Anastasiya A. Dzyubenko; Nataliya I. Yudina; V 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 341 KB

## Abstract magnified image A one‐step preparation procedure of 8,10a‐epoxypyrido[2,1‐__a__]isoindoles and their 7‐carboxylic derivatives is reported. The key synthetic step includes the intramolecular __exo__‐Diels–Alder reaction (IMDAF) of __N__‐furfurylacrylamide, produced __in situ__ from 2‐fur

ChemInform Abstract: A Two-Stage Synthes
ChemInform Abstract: A Two-Stage Synthesis of 8,10a-Epoxypyrido[2,1-a]isoindoles: Stereochemistry of the [4 + 2] Cycloaddition of Maleic Anhydride with 2,6-Difurylpiperidin-4-ones.
✍ Fedor I. Zubkov; Inga K. Airiyan; Konstantin F. Turchin; Vladimir P. Zaytsev; At 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 44 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: A Novel Synthetic M
ChemInform Abstract: A Novel Synthetic Method of the (VII) (.+-.)-(3aα,8aα)-Ethyl 8β-Hydroxy-6β-methyl-2-oxooctahydro-2H-cyclohepta [b]furan-3α-carboxylate and Its Chemical Transformation to (XIII) (.+-.)-(3aα,8aα) -3α,6β-Dimethyl-3,3a,4,5,6,8a-hexahydro-2H-cyclohepta [b]furan-2-one, (+)- (XIV) and (-)- (XIV) -7β-(2-Acetoxy-1α-methylethyl) -4β-methyl-2-cyclohepten-1β-ol, and (+)- (XVII) and (-)- (XVII) -7β-(2-Acetoxy-1α-methylethyl) -4β-methyl-2-cyclohepten-1-one. Possible Common Synthetic Intermediates for Pseudoguaianolides, 4,5-Secopseudoguaianolides, Guaianolides, 4,5-Secoguaianolides, and Octalactins.
✍ F. SHIMOMA; H. KUSAKA; K. WADA; H. AZAMI; M. YASUNAMI; T. SUZUKI; H. HAGIWARA; M 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 51 KB 👁 1 views
ChemInform Abstract: Stereochemical Issu
ChemInform Abstract: Stereochemical Issues Related to the Synthesis of 7,10-Dimethyl-7,10,16,16a-tetrahydro-11H-quinazolino [2′,3′:3,4]pyrazino[1,2-b]β-carboline-5,8-diones.
✍ A. MADRIGAL; M. GRANDE; C. AVENDANO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views

Stereochemical Issues Related to the Synthesis of 7,10- 10,16,3':3,4]pyrazino[1,2-b]βcarboline-5,8-diones. -The condensation of iminoethers like (III) with anthranilic acid proceeds with inversion of the tryptophan stereocenter C-16a. Epimerization of the tryptophan center also occurs by acylation