Crystal Engineering on Organic Pigments

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Quinacrid<strong>on</strong>e: Polymorphs NaOH Synthesis � I or � II phases Solvent � phase � phase
� phase Quinacrid<strong>on</strong>e: Synthesis NH 2 + H 2 O 120-170°C O COOCH 3 + + H COOC 3 O H N 2 H N HOOC COOH NaOH Solvent N H O N H (HPO 3 ) n + H2O H N O low temp. � I or � II phases + small amounts of H 2 O 120-170°C � phase
Page 1 and 2: Crystal En
Page 3 and 4: Applications: - Laquers & paints -
Page 5 and 6: Example 1: Colours of quinacridones
Page 7 and 8: H N O H N O Isolated molecule Weak
Page 9 and 10: Polymorphs of quinacridone: A real
Page 11 and 12: Described polymorphs � Polymorphs
Page 13 and 14: Described polymorphs � � B I Po
Page 15 and 16: Described polymorphs � � B I
Page 43: Polymorphs of quinacridones � I
Page 51 and 52: Polymorph screening without knowled
Page 53 and 54: Polymorphism of Pigment Red 53:2 Na
Page 71 and 72: � Polymorphism of Pigment Red 53:
Page 73 and 74: Example 2: Weather fastness of Pigm
Page 75 and 76: N H 2 N N Pigment Red 170 O H O O H
Page 77 and 78: N H 2 N N Pigment Red 170 O H O O H
Page 80 and 81: Extraction of reliable reflection i
Page 82 and 83: Determination of crystal structures
Page 84 and 85: Lattice energy minimizations (CRYSC
Page 86 and 87: Pigment Red 170 P2 1 /n, Z = 4, a =
Page 88 and 89: Pigment Red 170: New derivatives an
Page 90 and 91: O Violet pigment Example 3: Methyl-
Page 92 and 93: Methyl-dioxazine: Structure solutio
Page 94 and 95:
Methyl-dioxazine: Structure solutio
Page 96 and 97:
Methyl-dioxazine: Structure solutio
Page 98 and 99:
Crystal structure
Page 100 and 101:
Crystal structure
Page 102 and 103:
Crystal structure
Page 104 and 105:
Methyl - ethyl compound O C H 3 H N
Page 106 and 107:
H N O N H3C N O O C H 3 Cl Cl Methy
Page 108 and 109:
Solid solution Solid solution (�
Page 110 and 111:
Crystal structure
Page 112 and 113:
Example 4: Diaryl Pigments CH 3 O C
Page 114 and 115:
Example 4: Diaryl Pigments CH 3 O C
Page 116 and 117:
Crystal structure
Page 118 and 119:
Pigment Yellow 14: Structure soluti
Page 120 and 121:
Pigment Yellow 14: Structure soluti
Page 122 and 123:
Pigment Yellow 14: Synchrotron data
Page 124 and 125:
Crystal structure
Page 126 and 127:
Diaryl pigments: Understanding the
Page 128 and 129:
Diaryl pigments: Understanding the
Page 130 and 131:
Diaryl pigments: Crystal</s
Page 132 and 133:
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Page 136 and 137:
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Crystal Engineering on Organic Pigments

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