84632-65-5 (颜料红2254,3,6-Bis(4-chlorophenyl)pyrrolo3,4-cpyrrole-1,4(2H,5H)-dione)

_82%

反应条件：

1.1 Reagents: 2-Butanol, 2-methyl-, sodium salt (1:1) Catalysts: Iron chloride (FeCl3) ; 1 h, 100 °C; 100 °C → 50 °C
1.2 50 °C → 100 °C
1.3 Solvents: 2-Methyl-2-butanol ; 2 h, 100 °C; 3 h, 120 °C; 120 °C → rt
1.4 Reagents: Acetic acid ; pH 7, rt
1.5 Solvents: Methanol , Water ; 2 h, reflux

参考文献：

Aryl modification of diketopyrrolopyrrole-based quaternary ammonium salts and their applications in copper electrodeposition

Xu, Jie; Chen, Biao; Lv, Jinge; Chang, Dongdong; Niu, Dongfang; et al, Dyes and Pigments, 2019, 170,

合成路线：1 步

123-25-1

_81%

反应条件：

1.1 Reagents: 2-Butanol, 2-methyl-, sodium salt (1:1) Solvents: 1-Butyl-3-methylimidazolium tetrafluoroborate ; 50 °C; 14 h, 50 °C
1.2 Reagents: Hydrochloric acid Solvents: Water ; neutralized

参考文献：

Microwave-assisted synthesis of diketopyrrolopyrrole pigments in ionic liquid

Shamekhi, S. S.; Nourmohammadian, F., Pigment & Resin Technology, 2013, 42(4), 215-222

合成路线：1 步

123-25-1

_81%

反应条件：

1.1 Reagents: 2-Butanol, 2-methyl-, sodium salt (1:1) Solvents: 2-Methyl-2-butanol ; 5 min, 90 °C
1.2 Catalysts: 1-Butyl-3-methylimidazolium tetrafluoroborate ; 10 min, 90 °C
1.3 30 °C; 14 h, 30 °C
1.4 Reagents: Hydrochloric acid Solvents: Water ; neutralized

参考文献：

An efficient pathway to synthesize diketopyrrolopyrrole pigments in ionic liquids

Nourmohammadian, Farahnaz; Shamekhi, S. Shiva, Letters in Organic Chemistry, 2013, 10(2), 131-138

合成路线：1 步

_65%

反应条件：

1.1 Reagents: Sodium , Iron chloride (FeCl3) Solvents: 2-Methyl-2-butanol ; 4 h, 60 °C; 4 h, 110 °C; 110 °C → rt
1.2 Reagents: Acetic acid ; pH 7, rt

参考文献：

Engineering aromatic heterocycle strategy: Improving copper electrodeposition performance via tuning the bandgap of diketopyrrolopyrrole-based leveler

Wang, Kang; Feng, Jinming; Xu, Jie; Li, Jun; Mai, Maria; et al, Tetrahedron, 2020, 76(5),

合成路线：1 步

_44%

反应条件：

1.1 Reagents: Sodium , Iron chloride (FeCl3) Solvents: 2-Methyl-2-butanol ; 1 h, 90 °C; 90 °C → 50 °C
1.2 Solvents: 2-Methyl-2-butanol ; 50 °C → 90 °C; 90 °C; 24 h, 90 °C; 90 °C → 50 °C
1.3 Reagents: Acetic acid ; 50 °C; 30 min, 120 °C

参考文献：

Direct Transition from Triplet Excitons to Hybrid Light-Matter States via Triplet-Triplet Annihilation

Ye, Chen; Mallick, Suman; Hertzog, Manuel; Kowalewski, Markus; Boerjesson, Karl, Journal of the American Chemical Society, 2021, 143(19), 7501-7508

合成路线：1 步

_43%

反应条件：

1.1 Reagents: Potassium tert-butoxide , Iron chloride (FeCl3) Solvents: 2-Methyl-2-butanol ; 1 h, 110 °C
1.2 Solvents: 2-Methyl-2-butanol ; 3 h; 110 °C
1.3 Solvents: Water ; 110 °C; 20 h, 110 °C; 110 °C → rt

参考文献：

Preparation and characterizations of solvent soluble dyes based on dimerized diketo-pyrrolo-pyrrole pigment

Lee, Hyun-Young; Yoo, Jae-Sung; Kwon, Hye-Seon; Oh, Jin-Kyu; Choi, Jae-Hong, Molecular Crystals and Liquid Crystals, 2015, 617(1), 73-81

合成路线：1 步

123-25-1

_29%