Thermal Addition of Disilacyclobutenes and Acetylene: A Theoretical Study on Diels−Alder Type Reactions
✍ Scribed by Yoshizawa, Kazunari; Kang, Song-Yun; Yamabe, Tokio; Naka, Akinobu; Ishikawa, Mitsuo
- Book ID
- 127145625
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 322 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0276-7333
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## Abstract The conjugate addition of nucleophiles such as allylmercaptan, allyl‐ and homoallylmalonate and diallylamine to β‐furyl enones and acrylate, provides the Michael adducts in good yield. A facile intramolecular Diels–Alder reaction between the unsaturated tether and the furan diene ensues
AM1 molecular orbital method uing the unrestricted Hartree-F&( UHF) calculations has been applied to investigkte the thermal reaction of cyclohexadiene and methyl crotonate. The calculated reed& iqdicate that the thermal Diels-Alder reaction proceeds to product through the concerted path and two rad