𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Thermal addition of xathenethione to allenes: “A Concerted Two Step” (π2s+π2s+π2s)-cycloaddition

✍ Scribed by J. Kamphuis; R.G. Visser; H.J.T. Bos


Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
128 KB
Volume
23
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


2+2)and (4+2)-cycloadducts are formed by thermal reaction of xanthenethione with allenes. Activation parameters for this "concerted two step" (a2s+s2s+n2S) reaction are presented.

Photochemical addition of thiones to allenes have well been studied'. However, thermal addi-


📜 SIMILAR VOLUMES


Synthesis and a [π2s+ π2s+ π2s] cycloadd
✍ Masaji Oda; Nobuyuki Fukazawa; Yoshio Kitahara 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 238 KB

Dimethylenecyclopolyenes of type 1. are an interesting class of compounds. The n=l member of this class is 3,6-dimethylene-1,4-cyclohexadiene 2 which is an important intermediate for [2.2]paracyclophane. 1 -Of two possible dimethylenecyclooctatrienes, 7,8-dimethylene-1,3,5-cyclooctatriene 2 was sy

Palladium-catalysed [π2a+π2s] cycloaddit
✍ Ian J.S Fairlamb; Julia M Dickinson; Ileana M Cristea 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 137 KB

7-Substituted bicyclo[3.2.0]hept-2-en-6-one derivatives were identified as intermediates towards biologically interesting compounds. An improved synthesis of 7-alkyl-7-bromobicyclo[3.2.0]hept-2-en-6-ones by palladiumcatalysed [ π 2a+ π 2s] cycloaddition of α-bromoalkyl ketenes to cyclopentadiene is

ChemInform Abstract: Palladium-Catalyzed
✍ Ian J. S. Fairlamb; Julia M. Dickinson; Ileana M. Cristea 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 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