scheme35
![The recent advances in the contribution of chiral triarylmethanes and tetraarylmethanes with organocatalysts](https://image.oaes.cc/53e9c843-cbb5-4e58-8e2c-d084073bfdea/202311.scheme.35.jpg)
Scheme 35. Asymmetric 1,4-addition of azadienes 30a and pyrazolin-5-ones.
Scheme 35. Asymmetric 1,4-addition of azadienes 30a and pyrazolin-5-ones.
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