✦ LIBER ✦

The revised structure of an oxidation product from the reaction of an α-tocopherol model compound, 2,2,5,7,8-pentamethylchroman-6-ol, with potassium superoxide; 6 -hydroxy -2,2,6,7,8- pentamethylchroman- 5 (6H) -one1

✍ Scribed by Shigenobu Matsumoto; Mitsuyoshi Matsuo; Yoichi Iitaka

Publisher: Elsevier Science
Year: 1981
Tongue: French
Weight: 211 KB
Volume: 22
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)81983-3

No coin nor oath required. For personal study only.

✦ Synopsis

The previously reported structure of an oxidation product obtained from the reaction of an a-tocopherol model compound(l) with KO, is revised to 6-hydroxy-2,2,6,7,8-pentamethylchroman-S(6H)-one(3) on the basis of the X-ray crystallographic and '*O-labeling studies.

An oxidation product has been obtained from the reaction of 2,2,5,7,8pentamethylchroman-6-ol(l)on

📜 SIMILAR VOLUMES

The reaction of a α-tocopherol model com

The reaction of a α-tocopherol model compound with KO2, a new oxidation product of 6-hydroxy-2,2,5,7,8-pentamethylchroman

✍ Shigenobu Matsumoto; Mitsuyoshi Matsuo 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 142 KB

ChemInform Abstract: Reaction of 2,2,5,7

ChemInform Abstract: Reaction of 2,2,5,7,8-Pentamethyl-6-chromanol, an α-Tocopherol Analogue, with NO in the Presence of Oxygen.

✍ Yoshiko Nagata; Tamamo Nishio; Shigenobu Matsumoto; Hideko Kanazawa; Masataka Mo 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 35 KB 👁 1 views

5′-Aminohydroxymethylene-1′,2′-dichl

5′-Aminohydroxymethylene-1′,2′-dichloro-spiro[7H-pyrano[3,2-c;5,6-c′]dichromene-7,4′-cyclohex-2′-ene]-3′,6,6′,8-tetraone dimethylformamide disolvate, a spiro compound from the reaction of 4-hydroxycoumarin with 2,3-dichloro-5,6-dicyanobenzoquinone

✍ Zhang, Sheng-Ling ;Huang, Zhi-Shu ;Gu, Lian-Quan ;Ng, Seik Weng 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 269 KB

Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê Disorder in solvent or counterion R factor = 0.047 wR factor = 0.137 Data-to-parameter ratio = 14.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

Formation of derivatives of benzofuran,

Formation of derivatives of benzofuran, indole, and cinnoline in the reaction of 7-(N-morpholinyl)-7-methyl-8a-hydroxy-4,5,8,8a-tetrahydro-7H-pyrrolo[3,2-e]-2,1,3-benzoxadiazole 6-oxide with nucleophilic reagents

✍ V. A. Samsonov; L. B. Volodarskii 📂 Article 📅 1998 🏛 Springer US 🌐 English ⚖ 255 KB

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