5905 Table I. Dimerization of Butadiene"
Expt
Ar, psig
Catalyst, mmol
Nz, psig
COZ,psig 400
1 None 2 (PhaP)aPt, 0.5 3 (Ph,P)rPt, 0.5 4 None 5 (PhsP)J't, 0.5 6 (PhaP)aPt, 0.5 7 (PhjP)sPt, 0.5 8 (PhsP)sPt, 0.5 9 (PhsP)sPt, 0.5
400 400 400 400 400
400
400 300 (+lo0 air)
10 (Ph,P)?(COs)Pt, 0.65 11 (Ph3P)z(COa)Pt,0.65 PhaP, 2.7 12 (Ph,P)i(CO,)Pt, 0.65 PhsP, 2.7 13 (Ph8P)4Ni,0.45 14 (Ph3P)4Ni,0.43 15 [(PhO),P]rNi, 0.43 16 [(PhO)3P]aNi,0.43
>400
>m
+ +
400 400 >400
Temp, "C
Convn,
120 120 120 110 110 110 95 95 120
14 18 30 10 15 21 6 12 13
Product yields," 1,51,3,7-OT CVCH COD "Others" 0 4 68 0 4 75 3 80 20
100 96 32 100 96 25 97 20 80
120 120
17 >68
75 99.6 >99.9 >99.5 95.36
29 5 42 51