Substituent induced fine-tuning of novel cationic rearrangements in [3.3.3] propellanic systems

ChemInform Abstract: Electronic Substitu

ChemInform Abstract: Electronic Substituent Effects for the Fine-Tuning of the Regioselectivity in the Diastereoselective Rearrangement of 1,3-Cyclopentanediyl Radical Cations Generated from Tricyclo[3.3.0.02,4]octanes (Housanes) by Chemical Electron Transfer.

✍ Waldemar Adam; Thomas Heidenfelder 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 39 KB 👁 1 views

Novel approach to functionalized polycyc

Novel approach to functionalized polycyclic systems; Lewis acid induced rearrangements of 7-oxa-2,3-dimethylenenorbornene derivatives

✍ Katsuhiro Konno; Shojiro Maki; Satoshi Sagara; Hiroaki Takayama 📂 Article 📅 1995 🏛 Elsevier Science 🌐 French ⚖ 118 KB

Stereoselective Synthesis of 1,2,3-Trisu

Stereoselective Synthesis of 1,2,3-Trisubstituted 1,3-Dienes Through Novel [3,3]-Sigmatropic Rearrangements in α-Allenic Methanesulfonates: Application to the Preparation of Fused Tricyclic Systems by Tandem Rearrangement/Diels—Alder Reaction.

✍ Benito Alcaide; Pedro Almendros; Cristina Aragoncillo; Maria C. Redondo 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 32 KB 👁 1 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

Stereoselective Synthesis of 1,2,3-Trisu

Stereoselective Synthesis of 1,2,3-Trisubstituted 1,3-Dienes Through Novel [3,3]-Sigmatropic Rearrangements in α-Allenic Methanesulfonates: Application to the Preparation of Fused Tricyclic Systems by Tandem Rearrangement/Diels—Alder Reaction.

✍ Benito Alcaide; Pedro Almendros; Cristina Aragoncillo; Maria C. Redondo 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

Stereoselective Synthesis of 1,2,3-Trisu

Stereoselective Synthesis of 1,2,3-Trisubstituted 1,3-Dienes through Novel [3,3]-Sigmatropic Rearrangements in α-Allenic Methanesulfonates: Application to the Preparation of Fused Tricyclic Systems by Tandem Rearrangement/Diels−Alder Reaction

✍ Benito Alcaide; Pedro Almendros; Cristina Aragoncillo; María C. Redondo 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 209 KB 👁 1 views

Bicyclo[3.3.1]nonanes as synthetic inter

Bicyclo[3.3.1]nonanes as synthetic intermediates XIII. : Novel transannular hydride shifts enforced by relief of the steric constraint in the bicyclo[3.3.1]nonane system bearing endo-substituents at position 7

✍ Takefumi Momose; Toshiyuki Itooka; Takafumi Nishi; Mari Uchimoto; Keiko Ohnishi; 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 697 KB

The Huang-Minlon reduction of 7a-hydroxymethylbicyclo[3.3.11nonan-3-one (1) gave 7B-methylbicyclo[3.3.llnonan-36-01 (21, a product formed as a result of the transannular 1,6-hydride shift enforced by relief of the steric constraint in the system. Another example of the intramolecular hydride transfe