1556906-73-0Relevant articles and documents
Isothiourea-catalyzed asymmetric synthesis of β-lactams and β-amino esters from arylacetic acid derivatives and N -sulfonylaldimines
Smith, Siobhan R.,Douglas, James,Prevet, Hugues,Shapland, Peter,Slawin, Alexandra M. Z.,Smith, Andrew D.
, p. 1626 - 1639 (2014)
The isothiourea HBTM-2.1 (5 mol %) catalyzes the asymmetric formal [2 + 2] cycloaddition of both arylacetic acids (following activation with tosyl chloride) and preformed 2-arylacetic anhydrides with N-sulfonylaldimines, generating stereodefined 2,3-diary