scheme13

Scheme 13. Domino 1,3-dipolar cycloaddition of butyrolactones/valerolactones 27, ninhydrin 28 and proline or thioproline 29. This figure is used with permission from the Royal Society of Chemistry[54].
Scheme 13. Domino 1,3-dipolar cycloaddition of butyrolactones/valerolactones 27, ninhydrin 28 and proline or thioproline 29. This figure is used with permission from the Royal Society of Chemistry[54].
All published articles are preserved here permanently:
https://www.portico.org/publishers/oae/