𝔖 Bobbio Scriptorium
✦   LIBER   ✦

1,4-Addition versus 1,2-addition of free germylenes Me2Ge to 1,3-dienes

✍ Scribed by Wilhelm P. Neumann; Erhard Michels; Jürgen Köcher

Book ID
108383024
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
258 KB
Volume
28
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Unusual Mode of Addition of 1,2-Alkadien
Unusual Mode of Addition of 1,2-Alkadienylidene Carbenes to 1,3-Dienes: 1,4 Addition to Rigid and Flexible 1,3-Dienes
✍ Hikaru Sugita; Dr. Kazuhiko Mizuno; Toshiki Mori; Dr. Kakuzo Isagawa; Prof. Dr. 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 350 KB 👁 2 views

ses. Their relative total energies are 0, 0.4, 4.4 and -3.6 kcalmol-I , respectively.1111 Although the difference in energy between the (q2-0,C-HNCO)(q2-C,N-HNCO) and (q2-C,N-HNCO), isomers is small, the calculations are inconsistent with the observed structure. Next, we used molecular mechanics ca

1,4-Addition of Dihalocarbenes to 1,3-Di
1,4-Addition of Dihalocarbenes to 1,3-Dienes
✍ Drs. Leonardus W. Jenneskens; Dr. Willem H. de Wolf; Prof. Dr. Friedrich Bickelh 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 English ⚖ 272 KB 👁 2 views
The 1.2 Versus 1,4 addition of “dienophi
The 1.2 Versus 1,4 addition of “dienophiles” to 1,3-cis,trans-cyclooctadiene
✍ Paul G. Gassman; Herman P. Benecke; Thomas J. Murphy 📂 Article 📅 1969 🏛 Elsevier Science 🌐 French ⚖ 108 KB

1 1,3-cis, trans-Cyclooetadiene ( 2) is an intriguing diene when considered in terms of the Diels-Alder reaction. A concerted 1,4-cycloaddition of an appropriate dienophile would give the unknown bicyclic system 2. This is to be contrasted with the possible 2 + 2 addition of the dienophile to ~ whi