✦ LIBER ✦

On the Reactivity of 1H-Pyrazino[2,3-c][1,2,6]thiadiazine 2,2-Dioxide and Derivatives: Nucleophilic Substitution, Amination, Aldol-Type Condensation, Oxidation, and Hydrolysis

✍ Scribed by Nuria Campillo; Juan Antonio Páez; Pilar Goya

Publisher: John Wiley and Sons
Year: 2003
Tongue: German
Weight: 106 KB
Volume: 86
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.200390003

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The reactivity of the 1__H__‐pyrazino[2,3‐c][1,2,6]thiadiazine 2,2‐dioxide system, structurally related to pteridine, was studied, and a number of novel derivatives were synthesized. The chemical behaviors of these two related fused polyaza systems were compared.

📜 SIMILAR VOLUMES

Reactivity of 1H-Pyrazino[2,3-c][1,2,6]t

Reactivity of 1H-Pyrazino[2,3-c][1,2,6]thiadiazine 2,2-Dioxide and Derivatives: Nucleophilic Substitution, Amination, Aldol-Type Condensation, Oxidation, and Hydrolysis.

✍ Nuria Campillo; Juan Antonio Paez; Pilar Goya 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 280 KB 👁 1 views

Study of the Rotational Isomerism and Sy

Study of the Rotational Isomerism and Synthesis of Glucosides Derived from Pyrazino[2,3-c][1,2,6]thiadiazine 2,2-Dioxides

✍ Goya, Pilar ;Martinez, Ana ;Jimeno, M. Luisa ;Pfleiderer, Wolfgang 📂 Article 📅 1987 🏛 John Wiley and Sons 🌐 English ⚖ 307 KB

## GI ucosidationa of Q a m i n o -8 H -p ~o C 3 -c l [1,2,6llrhiadiazifie 2.2dioxide and its 6,7-dimetbyi-and 6,7-diphenyi derivatives via the "siiylation method" are described. The reaction favors N-1 substitution and the te~-U-acetylglucopyranosyl derivatives j, 6, and 7 as well as the free nud

Synthesis and Action on the Central Nerv

Synthesis and Action on the Central Nervous System of 3-Substituted 2-Phenyl-2,3-dihydro-4H-1,3,2-benzoxazaphosphorin-4-one 2-Oxide and 2-Sulfide Derivatives

✍ Krzysztof Kostka; Marek Porada; Elzbieta Zyner; Wanda Pakulska; Anna Szadowska 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 266 KB 👁 2 views

Studies on the reaction of 3-substituted

Studies on the reaction of 3-substituted-4-hydroxy-2H-1,2-benzothiazine 1,1-dioxides with aryl isocyanates and the synthesis of corresponding derivatives

✍ Zhao Guo-Feng; Yang Hua-Zheng 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 286 KB 👁 1 views

The reaction of 3-substituted-4-hydroxyroxy-2H-1,2-be~othiazine 1,l-dioxides with aryl isocyanate under different equivalents of strong base NaH was studied. Seventeen of new derivatives were obtained whose structures were characterized by ' H NMR, IR, MS, elementary analysis and FeCls test. ## Key

ChemInform Abstract: Synthesis and Actio

ChemInform Abstract: Synthesis and Action on the Central Nervous System of 3-Substituted 2- Phenyl-2,3-dihydro-4H-1,3,2-benzoxazaphosphorin-4-one 2-Oxide and 2- Sulfide Derivatives.

✍ K. KOSTKA; M. PORADA; E. ZYNER; W. PAKULSKA; A. SZADOWSKA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 2 views

Synthesis and complete assignment of the

Synthesis and complete assignment of the 1H and 13C NMR spectra of 6-substituted and 2,6-disubstituted pyridazin-3(2H)-ones

✍ Pedro Besada; Tamara Costas; Noemi Vila; Carla Chessa; Carmen Terán 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 116 KB

## Abstract Several pyridazin‐3(2__H__)‐one derivatives were synthesized starting from alkyl furans using oxidation with singlet oxygen to give 4‐methoxy or 4‐hydroxybutenolides, key intermediates of the synthetic strategy followed. For all pyridazinones reported, a complete assignment of the ^1^H