Diastereo- and enantioselective construction of spirooxindole scaffolds through a catalytic asymmetric [3 + 3] cycloaddition
2017 ◽
Vol 15
(22)
◽
pp. 4794-4797
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Keyword(s):
A chiral phosphoric acid-catalyzed asymmetric [3 + 3] cycloaddition of C3-substituted 2-indolylmethanols with isatin-derived azomethine ylides has been established, which afforded chiral spirooxindoles in considerable yields, moderate to good stereoselectivities.
2015 ◽
Vol 13
(29)
◽
pp. 7993-8000
◽
2018 ◽
Vol 16
(30)
◽
pp. 5457-5464
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Keyword(s):
Keyword(s):
Keyword(s):