scheme4
![The recent advances in the contribution of chiral triarylmethanes and tetraarylmethanes with organocatalysts](https://image.oaes.cc/53e9c843-cbb5-4e58-8e2c-d084073bfdea/202311.scheme.4.jpg)
Scheme 4. Asymmetric addition of aza-o-QMs with N-methyl 2-substituted indoles and 3-substituted indoles.
Scheme 4. Asymmetric addition of aza-o-QMs with N-methyl 2-substituted indoles and 3-substituted indoles.
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