Talaty, Erach R.; Gomez, Jaime A.; Dillon, Jack A., Synthetic Communications, 1987, vol. 17, # 9, p. 1063 - 1070
作者:Talaty, Erach R.、Gomez, Jaime A.、Dillon, Jack A.、Palomino, Eduardo、Agho, Michael O.、et al.
DOI:——
日期:——
TALATY E. R.;GOMEZ J. A.;DILLON J. A.;PALOMINO E.;AGHO M. O.
作者:TALATY E. R.、GOMEZ J. A.、DILLON J. A.、PALOMINO E.、AGHO M. O.
DOI:——
日期:——
Regioselectivity in nucleophilic ring-opening of aziridinones
作者:Erach R. Talaty、Mashitah M. Yusoff
DOI:10.1039/a800564h
日期:——
The proportions of products derived from competing modes of ring-opening of 1,3-di-tert-butylaziridinone and similar aziridinones by a variety of nitrogen, oxygen, sulfur and halogen nucleophiles do not agree with simple guidelines postulated in the literature for these types of aziridinones.
Reaction of 1,3-di-tert-butylaziridinone and other di-tert-alkylaziridinones with cyanamides produces an imidazolidinone (3 or 6) bearing the tert-alkyl substituents at positions 1 and 5 only, by selective cleavage of the acyl-nitrogen bond. Treatment of the product from the unsubstituted cyanamide (3) with HNO2 furnishes the corresponding hydantoin (5), whereas treatment with alkyl halides and base affords another imidazolidinone (7).