✦ LIBER ✦

On the mechanism of the stereo- and regioselective ether-ring opening of 1,2,3,4-tetrahydro-1β,4β-epoxy-2α,3α-carbonyldioxy arene systems with boron tribromide

✍ Scribed by Ramesh Gopalaswamy; Masato Koreeda

Publisher: Elsevier Science
Year: 1996
Tongue: French
Weight: 196 KB
Volume: 37
Category: Article
ISSN: 0040-4039
DOI: 10.1016/0040-4039(96)00664-8

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Synthesis of Heterocyclic Compounds Usin

Synthesis of Heterocyclic Compounds Using Amidines as Their Ene-1,1-diamine Tautomers. Part 1. Synthesis of 4,5-Dihydro-3H-pyridin-2-one, 3,4-Dihydropyrrol-2-one and 1,3-Dihydropyrrol-2-one Derivatives by the Reaction of Amidines with α,β-Unsaturated Esters.

✍ Kunio Ito; Yoshiko Kizuka; Yuji Hirano 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 28 KB 👁 2 views

Synthesis of Heterocyclic Compounds Usin

Synthesis of Heterocyclic Compounds Using Amidines as Their Ene-1,1-diamine Tautomers. Part 2. Synthesis of 2,3-Dihydropyridine, 3,4-Dihydropyridine and 3,4-Dihydropyrrol-2-one Derivatives by the Reaction of Amidines with α,β-Unsaturated Carbonyl Compounds.

✍ Kunio Ito; Yoshiko Kizuka; Shogo Ihara 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 29 KB 👁 2 views

Synthesis of heterocyclic compounds usin

Synthesis of heterocyclic compounds using amidines as their ene-1,1-diamine tautomers. I. Synthesis of 4,5-dihydro-3H-pyridin-2-one, 3,4-dihydropyrrol-2-one and 1,3-dihydropyrrol-2-one derivatives by the reaction of amidines with α,β-unsaturated esters

✍ Kunio Ito; Yoshiko Kizuka; Yuji Hirano 📂 Article 📅 2005 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 82 KB 👁 1 views

N-t-Butylacetamidines 1 on heating with methyl acrylate (2) at 200˚ gave the 4,5-dihydro-3H-pyridin-2one derivatives 5. Michael addition of the acetamidines 1 as their ene-1,1-diamine tautomers 1' to 2 and the subsequent cyclization of the adducts gave derivatives 5. Amidines 1 on reaction with trim

Synthesis of heterocyclic compounds usin

Synthesis of heterocyclic compounds using amidines as their ene-1,1-diamine tautomers. II. Synthesis of 2,3-dihydropyridine, 3,4-dihydropyridine and 3,4-dihydropyrrol-2-one derivatives by the reaction of amidines with α, β-unsaturated carbonyl compounds

✍ Kunio Ito; Yoshiko Kizuka; Shogo Ihara 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 514 KB

N-t-Butylacetamidines 1 on heating with methyl vinyl ketone, acrolein or crotonaldehyde gave the 2,3-dihydropyridine derivatives 4, 5 or 6 via N-alkylation of the acetamidines 1. Reaction of amidines 1 with phenyl 1-propenyl ketone, benzalacetone or chalcone gave 3,4-dihydropyridine derivatives 8, 9

Crystal structure of diheterolevulosan I

Crystal structure of diheterolevulosan II: α-d-Fructofuranose-β-d-fructopyranose 1,2′:2,1′ dianhydride and molecular mechanics calculations on diheterolevulosan II and IV with chair and boat conformations of the central 1,4-dioxane ring

✍ Jan A. Kanters; Johan Buitenhuis; Jan Kroon; Mohamed Mathlouthi; Joop H. van der 📂 Article 📅 1990 🏛 Springer 🌐 English ⚖ 565 KB

ChemInform Abstract: Nucleosides and Nuc

ChemInform Abstract: Nucleosides and Nucleotides. Part 191. Ring Expansion Reaction of 1-[2,3,5-Tri-O-TBS-4α-formyl-β-D-ribo-pentofuranosyl]uracil by Treating with (Methylene)triphenylphosphorane to Give a New Nucleoside Containing Dihydrooxepine Ring at the Sugar Moiety.

✍ Makoto Nomura; Kanji Endo; Satoshi Shuto; Akira Matsuda 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB 👁 2 views

## 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