Jensen, Klaus G.; Pedersen, Erik B.
Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, 1981 , vol. 36, # 12 p. 1640 - 1643
1: With maleic anhydride; palladium (II) trifluoroacetate; oxygen in N,N-dimethyl acetamide
T=60°C; P=4560.31 Torr; Molecular sieve;
2: With Pd/C; hydrogen in methanol
P=760.051 Torr;