This search combines search strings from the content search (i.e. "Full Text", "Author", "Title", "Abstract", or "Keywords") with "Article Type" and "Publication Date Range" using the AND operator.
Beilstein J. Org. Chem. 2025, 21, 1890–1896, doi:10.3762/bjoc.21.146
Graphical Abstract
Figure 1: Representative oxindole alkaloids.
Scheme 1: Proposed synthetic approach.
Scheme 2: Preparation of the aldehyde 4.
Scheme 3: Cycloaddition with N-methylmaleimide.
Figure 2: Orientation for the cycloaddition (left) and the crystal structure of the major stereoisomer 5a (ri...
Scheme 4: Cycloaddition with N-phenylmaleimide.
Scheme 5: Cycloaddition with dimethyl fumarate and dimethyl maleate.