𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the ring-contraction of 1,4-dithiins to 1,3-dithiole derivatives

✍ Scribed by Raquel Andreu; Javier Garı́n; Jesús Orduna; José M Royo


Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
62 KB
Volume
42
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


The effect of different factors (pK a of the base, nature of the counterion and dissociation of the ion pairs) on the course of the base-induced rearrangement of 1,4-dithiins to 1,3-dithiole derivatives is discussed. Ab initio calculations account for the driving force of these isomerisations.


📜 SIMILAR VOLUMES


ChemInform Abstract: On the Ring-Contrac
✍ Raquel Andreu; Javier Garin; Jesus Orduna; Jose M. Royo 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 30 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

ChemInform Abstract: New Synthesis of 2-
✍ Yoshihiro Ishikawa; Tomoko Miyamoto; Asami Yoshida; Yuzo Kawada; Jotaro Nakazaki 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 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

Synthesis of thieno[3,4-d]-1,3-dithiol-2
✍ Xin Chen; Ronald L. Elsenbaumer 📂 Article 📅 2009 🏛 Elsevier Science 🌐 French ⚖ 277 KB

## Synthesis a b s t r a c t A series of mono-substituted and bis-substituted derivatives of thieno [3,4-d]-1,3-dithiol-2-one were prepared through halogenation, chloromethylation, and subsequent nucleophilic substitution reactions. Compounds were characterized by NMR, FT-IR, and HRMS.

Oxidation of (Z,Z)-1,4-Diaminobuta-1,3-d
✍ Werner Schroth; Roland Spitzner; Michael Felicetti; Christoph Wagner; Clemens Br 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 262 KB 👁 1 views

Oxidation of the title compounds, in contrast to that of ''normal'' (Z,Z)-buta-1,3-diene-1,4-dithiolates, does not lead to the formation of 1,2-dithiins. Thus, the aliphatic diaminodithiolates 7 and 8 were converted into the (E)-2-butenedithioamides 12 and 15 as a result of resonance stabilization o

Ring contraction of a 3-hydroxy-1-pyrazo
✍ Philip L. Southwick; Nazih Latif; James E. Klijanowicz; John G. O'Connor 📂 Article 📅 1970 🏛 Elsevier Science 🌐 French ⚖ 192 KB

The reoent publication of several aomwnicationa regarding the preparation and properties of a 3-hydroxy-l-pyraaoline (1) and other qrclic and acyclic o-bydroxyalkyldiazenes (2) prompts us to report the preparation of a new group of compounds (V) containing a 3-hydroxy-1-pgmsolne structure which, unl