scheme57

Recent advances in organocatalytic cascade reactions for enantioselective synthesis of chiral spirolactone skeletons

Scheme 57. Spirolactonization reaction of isatins 106 and HOBt esters of carboxylic acids 115. This figure is used with permission from the American Chemical Society[133].

Chemical Synthesis
ISSN 2769-5247 (Online)

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All published articles are preserved here permanently:

https://www.portico.org/publishers/oae/