Novel l-(r-butyldimethylsilyloxy)-I-aza-12.butadienes 1 and 2 are prepared by the reaction of O<f-butyldimethylsiyloxy)hydroxylamine with methyl vinyl ketone amI methacrolein, respectively. Azadienes 1 and 2 through sharing of oxygen nonbonding electrons are activated and thus their Diels-Alder reac
Diels–Alder Reactions of 1-Azadienes
✍ Scribed by Mohammad Behforouz; Mohammad Ahmadian
- Book ID
- 108370814
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- French
- Weight
- 580 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
Diels-Alder Reactions of N-Silyloxy 1-Azadienes. -The novel N-silyloxy 1-azadienes (III) undergo Diels-Alder reaction with various quinones or N-phenylmaleimide to give the corresponding pyridine derivatives, thus establishing a convenient access to this class of compounds. -(BEHFOROUZ,
Ultrasound irradiaton accelerates hetero Diels-Alder reactions between l-dimethylamino-I-azadienes and electron-defficient dienophiles. Besides the lower reaction times and increased yields, other advantages of the sonicated reactions are the possibility of isolating previously unknown adducts due t