Fig. 4: Establishment and validation of regioselectivity prediction model.

a Framework for predicting priority of cycloexpansion (m vs n) by DFT calculations combined with ML algorithms; b Explanations of generating features ΔΔG-R1/R2, ΔΔG-m/n and ΔΔG, LA = In(SbF6)3; c Performance of ML algorithms for regioselectivity predicting; d Reliability testing of SVR algorithm′s outputs.