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H. Brunner et al. ■Optisch aktive Übergangsmetall-Komplexe, 122
+412° (c = 0.31, CH2C12). MS (FAB): m/z = 639 (MH+,
Glycerin/DMSO). 1H-NMR (400 MHz, CDC13): 6=1.81
(d, 6H, J = 6.9 Hz, CHC//3), 2.20 (s, 6H, CH3), 6.04
(q, 2H, J = 6.9 Hz, C//CH0, 7.10 (d, 2H, J = 2.4 Hz,
Phenolat-H3), 7.49 - 7.24 (m, 12H. Imin-H/Ph-H), 7.67
(d, 2H, J = 2.4 Hz, Phenolat-H5), 10.38 (s, 2H, CHO).
C34H32N20 4Pd (638.8): Ber. C 63.90, H 5.05, N 4.38.
1.1 Hz, JM= 8.4 Hz, Sal-H3), 7.23 (ddd, 2H, / 46= 1.9 Hz,
745 = 6.9 Hz, 743 = 8.4 Hz, Sal-H4), 7.42 (dd, 2H, JM =
1.9 Hz, 765 = 7.9 Hz, Sal-H6), 7.84 (s, 2H, Imin-H). 13C-
NMR (62 MHz, DMSO-d6): 10.8 (CH3), 24.1 (CH2),62.5
(CH2OH), 63.4 (CH), 114.7 (Sal-C6), 119.5 (Sal-C4),
121.3 (Sal-C2), 134.2 (Sal-C3), 134.7 (Sal-C5), 161.1
(Sal-Cl), 162.9 (=CH). CCDC 136124. C22H28N20 4Pd
(490.9): Ber. C 53.83, H 5.75, N 5.71. Gef. C 53.57, H Gef. C 63.28, H 5.43, N 4.15%.
5.65, N 5.67%.
Di{N-[l -phenylethyl]-2-aldiminyl-6-pheformyl-
4-memethyl-phenolato}palladium(II)
Pd(R-4)2/Pd(S-4)2/Pd(R-4)(S-4)
Di{N-[1-hydroxybut-2-yl]salicylaldiminato}palla-
dium(II) Pd(R-2)2/Pd(S-2)2/Pd(R-2)(S-2)
Synthese wie bei Pd(/?-4)2. Schiff-Base Ä-4H/S-4H.
Olivgelbes Pulver (85 mg, 0.13 mmol, 68%). Schmp. 168
- 170 °C (Zers.). MS (FAB): m/z = 639 (MH+, Glyce-
rin/DMSO). 'H-NMR (250 MHz, CDC13): 6 = 1.78 (d,
3H, J = 6.8 Hz, CHC//3 meso-Form), 1.81 (d, 3H, J =
6.8 Hz, CHC//3 rac-Form), 2.19 (s, 6H, CH3), 6.05 (q,
2H, J = 6.8 Hz, C//CH3), 7.09 (d, 2H, J = 2.4 Hz, Phe-
nolat-H3), 7.49 - 7.29 (m, 12H, Imin-H/Ph-H), 7.67 (d,
Vorschrift B. Schiff-Base Ä-2H/S-2H. Gelbliches Pul-
ver (72 mg, 0.15 mmol, 77%). Schmp. 195 - 197 °C
(Zers.). MS (FAB): m/z = 491 (MH+, Glycerin/Methanol).
'H-NMR (250 MHz, DMSO-d6): 6 = 0.95 (t, 6H, J =
7.3 Hz, CH2C //3), 1.82 (m, 4H, C //2CH3), 3.75 (m, 4H,
C//2OH), 4.37 (m, 2H, C//CH3), 4.92 (t, 2H, J = 5.3 Hz,
OH), 6.57 (ddd, 2H, / 53 = 1.0 Hz, J54 = 6.9 Hz, J56 =
1.9 Hz, Sal-H5), 6.75 (dd, 2H, / 35 = 1.0 Hz, 734 = 8.4 Hz,
Sal-H3), 7.23 (ddd, 2H, 746 = 1.8 Hz, J45 = 6.9 Hz, J43 = 2H, J = 2.4 Hz, Phenolat-H5), 10.37 (s, 2H, CHO). In-
tegralverhältnis Pd(/f-4)2/Pd(S-4)2 : Pd(/?-4)(S-4) =1:1.
C34H32N20 4Pd (638.8): Ber. C 63.90, H 5.05, N 4.38.
Gef. C 63.45, H 5.16, N 4.45%.
8.4 Hz, Sal-H4), 7.42 (dd, 2H, J64 = 1.8 Hz, J65 = 7.9 Hz,
Sal-H6), 7.84 (s, 2H, Imin-H). 13C-NMR (62 MHz,
DMSO-d6): 10.8 (CH3), 24.1 (CH2), 62.5 (CH2OH), 63.3
(CH), 114.7 (Sal-C6), 119.5 (Sal-C4), 121.3 (Sal-C2),
134.3 (Sal-C3), 134.7 (Sal-C5), 161.0 (Sal-Cl), 162.9
(=CH). C22H28N20 4Pd (490.9): Ber. C 53.83, H 5.75, N
5.71. Gef. C 53.60, H 5.90, N 5.59%.
(+)-Bis{N,N'-di[(R)-l -phenylethyl]-2,6-dialdiminyl-4-
methylphenolato}palladium(II) Pd(R,R-6)2
132 mg (0.358 mmol) R,R-6H werden in 5 ml Metha-
nol gelöst. Nachdem eine Lösung von 32 mg (0.18 mmol)
PdCl2 und 38 mg NaCl in 3 ml Methanol/0.5 ml Wasser
zugegeben worden ist, wird eine Lösung von 15 mg NaOH
in 2 ml Methanol/0.5 ml Wasser zugetropft. Die Reakti-
onsmischung wird bei R. T. 24 h gerührt. Der sich dabei
abscheidende Niederschlag wird abgesaugt und getrock-
net. Oranges Pulver (90 mg, 0.11 mmol, 61%). Schmp.
142 - 143 °C. [a]£ = +735° (c = 0.368, CH2C12). MS
(FAB): m/z = 844 (MH+, Glycerin/CH2C12). 'H-NMR
(400 MHz, CDC13): 6 = 1.33 (d, 6H, J = 6.6 Hz, CHC//3
ungeb.), 1.72 (d, 6H, J = 6.9 Hz, CHC//3 geb.), 2.17 (s,
6H, CH3), 4.02 (q, 2H, J = 6.6 Hz, C//CH3 ungeb.), 6.05
(q, 2H, J = 6.9 Hz, C//CH3geb.), 6.89 (d, 2H, J = 2.3 Hz,
Phenolat-H3), 7.24 - 7.14 (m, 10H, Ph-H ungeb.), 7.48
- 7.33 (m, 12H, Imin-H geb./Ph-H geb.), 7.81 (d, 2H,
J = 2.3 Hz, Phenolat-H5), 8.76 (s, 2H, Imin-H ungeb.).
C50H48N4O2Pd (843.4): Ber. C 71.21, H 5.74, N 6.64.
Gef. C 69.87, H 5.68. N 6.68%.
(+)-Di{N-[( 1S,2S)-1-phenyl-1,3-dihydroxyprop-2-yl]-
salicylaldiminato}palladium(Il) Pd(SS-3)2
Vorschrift B. Schiff-Base SS-3H. Gelbes Pulver
(93 mg, 0.14 mmol, 77%). Schmp. 212 - 213 °C (Zers.).
[q ]d26 = +37° (c = 0.067, CH2Cl2/DMSO 1:1). MS
(FAB): m/z = 647 (MH+, GlycerinflDMSO). 'H-NMR
(250 MHz, DMSO-d6): 6 = 3.50 (m, 2H, CH20//), 3.96
(m, 2H, C//(CH2OH)), 4.79 (m, 4H, C//2OH), 5.23 (dd,
2H, J = 4.7 Hz, J = 1.9 Hz, O7(0H)), 5.55 (d, 2H, J =
4.7 Hz, CH20//), 6.58 (ddd, 2H, 753= 1.0 Hz, J54= 7.0 Hz,
J56 = 7.9 Hz, Sal-H5), 6.70 (dd, 2H, / 35 = 1.0 Hz, / 34 =
8.3 Hz, Sal-H3), 6.84 (dd, 2H, J64 = 2.0 Hz, J65 = 1.9 Hz,
Sal-H6), 7.48 - 7.18 (m, 12H, Sal-H4/Ph-H), 7.90 (s, 2H,
Imin-H). CCDC 136125. C32H32N20 6Pd (647.0): Ber. C
59.40, H 4.98, N 4.33. Gef. C 58.58, H 5.15, N 4.44%.
(+)-Di{N-[(R)-l -phenylethyl]-2-aldiminyl-6-formyl-4-
methylphenolato}palladium(II) Pd(R-4)2
Bis[N,N'-di(1-phenylethyl)-2,6-dialdiminyl-4-
methylphenolato]palladium(II) Isomerenmischung
Vorschrift B. Schiff-Base /?-4H. Zur Reinigung wird
das Rohprodukt in ausreichend Diethylether gelöst und
die gelbe Lösung vom Rückstand abfiltriert. Zu der klaren
Lösung gibt man 5 ml Methanol und engt soweit ein, bis
sich ein Niederschlag abscheidet. Oranges Pulver (97 mg,
0.15 mmol, 79%). Schmp. 223 - 224 °C (Zers.). [ct]D26 =
Synthese wie bei Pd(R,R-6)2. Schiff-Base R,R-
6H/S,S-6H/R,S-6H. Gelbes Pulver’(131 mg, 0.16 mmol,
86%). Schmp. 160 - 177 °C (Zers.). MS (FAB): m/z = 844
(MH+, Glycerin/CH2C12). ‘H-NMR (400 MHz, CDC13):
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