1.1
Reagents:
1,1′-[1,2-Phenylenebis(methylene)]bis[1,1-diphenylphosphine]
Catalysts:
Palladium diacetate
Solvents:
Methanol
;
rt → 150 °C
1.2
60 atm, 150 °C; 150 °C → rt

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