Table 2. Cascades to Access Spirofused Polyheterocycles.
a
150 °C, 3.75 mol % Pd2dba3, 30 mol % CgPPh.
b
150 °C, 5 mol % Pd2dba3, 50 mol % CgPPh.
c
160 °C, 5 mol % Pd2dba3, 40 mol % CgPPh.
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