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CAS No. : | 1000623-95-9 | MDL No. : | MFCD16619382 |
Formula : | C30H38Br2N2O2S2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | JVVGLKKTAZYUQU-UHFFFAOYSA-N |
M.W : | 682.57 | Pubchem ID : | 53439694 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With bromine; In chloroform; at 20 - 60℃; for 1.16667h;Inert atmosphere; Schlenk technique; | General procedure: L1-T (140mg, 0.27mmol) and 20mL chloroform were added to a 50mL round bottom flask equipped with a stirring barand a condenser. Bromine (90 mg, 0.56 mmol) was added dropwiseto the flask at room temperature. After stirring at room temperaturefor 10 min, the reaction mixture was heated to 60 C andstirred for an additional hour. After cooling, the reaction mixturewas poured into water (45 mL) and extracted with CH2Cl2. Thecombined organic layer was dried over anhydrous sodium sulfate,filtered and concentrated under reduced pressure. The crudeproduct was recrystallized from the solvent mixture of CH2Cl2 andmethanol to give the product L1-Br as a purple solid (156 mg, 86%). |
80% | With N-Bromosuccinimide; In chloroform; at 50℃; for 12h; | In a 250 mL round bottom flask, compound 3 (1.0 g, 1.9 mmol) was added.50 mL of chloroform was stirred at room temperature for 10 minutes in the dark.Will dissolve N-bromosuccinimide (NBS) (746 mg, 4.2 mmol)50 mL of chloroform was slowly added dropwise to the reaction system.The reaction was refluxed at 50 C for 12 hours. After the reaction is over,The solvent was evaporated to dryness under reduced pressure. The dark purple solid was purified by column chromatography.The yield was 80%. Among them, the eluent: petroleum ether (PE) / ethyl acetate (EA) (50:1). |
71% | With N-Bromosuccinimide; In chloroform; at -0.16℃; for 2h; | Compound 3 (1.01 g, 2.05 mmol) was charged in a 100 mLsingle-neck round-bottom flask filled with 50 mL of CHCl3.The mixture was cooled to 273 K and stirred while Nbromosuccinimide(NBS) was added in small portions. Themixture was allowed to warm to room temperature and stirredfor 2 h following complete addition of NBS. The reactionmixture was poured in water and extracted with CHCl3.Then CHCl3 was evaporated, the resulting red solid (darkred) was purified by column chromatography using CHCl3/petroleum ether as eluent. 0.95 g of 4 [31] were isolated (71%yield). 1H NMR (500 MHz, CDCl3): (ppm) = 8.30 (d,J = 3.7 Hz, 2 H), 6.62 (d, J = 3.7 Hz, 2 H), 3.99 (add,J = 2.7 Hz, 7.4 Hz, 4 H), 1.78-1.68 (m, 2 H), 1.39-1.24 (m,16 H), 0.92 (t, J = 7.5 Hz, 6 H), 0.88 (t, J = 7.0 Hz, 6 H). 13C(75 MHz, CDCl3): (ppm) = 161.1, 146.4, 132.9, 126.4, 122.4,115.7, 106.4, 46.4, 40.2, 30.7, 28.9, 23.9, 23.3, 14.2, 10.8. FTIR(KBr) nu max = 3422, 3084, 2957, 2926, 2859, 1657, 1556,1504.9, 1450, 1406, 1308, 1261, 1233, 1165, 1100, 1072,1027, 967, 833, 810, 731, 709, 635, 466, 430 cm- |
71% | With N-Bromosuccinimide; In chloroform; at 0℃; for 12h;Darkness; | Charge a 500-ml eggplant-shape flask with the above- prepared compound (b) (3.0 g, 5.7 mmol), N-bromosuccinimide (2.5 g, 13.8 mmol), and chloroform (200 ml). Agitate the flask content for 12 hours at 0 C. under light shielding condition. After distilling the solvent away under reducedpressures, add MeOR (100 ml) to the flask. Separate the precipitate by filtration. Thus, a dark green powder (4.8 g, 71.0%) is obtained. mlz=683.1 (M+H) |
70% | With N-Bromosuccinimide; acetic acid; In chloroform; at 20℃; for 12h; | 3.56 g of 2,5-diethylhexyl-3,6-dithiophen-2-ylpyrrolo[3,4-c]pyrrolo-1,4-dione dissolved in 150 ml chloroform (CF) was added to a 500 ml two-necked flask. 2.50 g of N-bromosuccinimide (NBS) was added, a small amount of acetic acid was added, and the mixture was stirred at room temperature for 12 hours. After the reaction was completed by confirming thin-layer chromatography (TLC), the solvent was concentrated to about 20 ml under reduced pressure, and ethanol was added and a solid precipitate was filtered through a filter. The solid thus separated was again dissolved in chloroform, and short column was carried out using silica to obtain a black powder. (Yield: 70%). |
65% | With N-Bromosuccinimide; acetic acid; In tetrahydrofuran; at 0℃; for 12h; | the formula (5) Compound 6 (2.00g, 3.81mmol) was dissolved in 50ml of tetrahydrofuran (THF), cooled to 0 C, then added in three portions N- bromosuccinimide (NBS ) (1. 42g, 8. OOmmol), while dropping a few drops of glacial acetic acid. After 12 hours under reduced pressure the reaction solvent was distilled off, boiling range 60 C -90 C petroleum ether as eluent over a silica gel column to give 1. 69g of the formula (5) Compound 7 in a yield of 65%. |
With N-Bromosuccinimide; In chloroform; at 0℃; for 1h; | Examples Example 1; <n="44"/>a) A solution of 4.5 g of DPP 1 , 6.23 g of K2CO3 and 8.68 g of 1 -broiotamo-2-ethyl-hexyl in 60 ml of N-methyl-pyrrolidone (NMP) is heated to 14O0C for 6h. The mixture is washed with water and extracted with dichloromethane. The organic phase is then dried and filtered on a double layer of silica gel and Hyflo (CAS 91053-39-3; Fluka 56678) before it is concentrated. The residue is dissolved in 100 ml of chloroform, cooled down to O0C and 2 equivalents of N-bromosuccinimide are then added portion wise over a period of 1 h. After the reaction has been completed, the mixture is washed with water. The organic phase is extracted, dried and concentrated. The compound is then purified over a silica gel column to give 1.90 g of a violet powder of DPP 2. | |
With N-Bromosuccinimide; In chloroform; at 0℃; for 1h; | A solution of 4.5 g of the 1 ,4-diketopyrrolo[3,4-c]pyrrole (DPP) derivative of the formula 1 , 6.23 g of K2CO3 and 8.68 g of 1 -bromo-2-ethyl-hexyl in 60 ml of N-methyl-pyrrolidone (NMP) is heated to 14O0C for 6h. The mixture is washed with water and extracted with <n="35"/>dichloromethane. The organic phase is then dried and filtered on a double layer of silica gel and Hyflo (CAS 91053-39-3; Fluka 56678) before it is concentrated. The residue is dissolved in 100 ml of chloroform, cooled down to 0 0C and 2 equivalents of N- bromosuccinimide are then added portion wise over a period of 1 h. After the reaction has been completed, the mixture is washed with water. The organic phase is extracted, dried and concentrated. The compound is then purified over a silica gel column to give 1.90 g of a violet powder of the DPP derivative of the formula 2. | |
With N-Bromosuccinimide; In N,N-dimethyl-formamide; for 4.5h;Inert atmosphere; Darkness; | General procedure: A solution of NBS (0.477 g, 2.68 mmol) in 8 mL of DMFwas slowly added to a solution of 3?,4?-di(octyloxy)-2,2?:5?,2?-terthiophene(0.675 g, 1.34 mmol) in 8 mL of DMF under argon atmosphere. The mixture wasleft with stirring for 4.5 h in dark. Then, 20 mL of water was added to thereaction mixture and the product was extracted with diethyl ether. The organicphase was consecutively washed with saturated NaHCO3 and then driedover MgSO4. The crude product was purified chromatographically on asilica gel column with hexane as an eluent, affording 0.77g of pure product(87% yield). 1HNMR(CDCl3,ppm):6.96 (d, J=4.0 Hz, 2H), 6.91 (d, J=3.8 Hz, 2H), 4.07 (t, J=6.8 Hz, 4H), 1.87-1.79(m, 4H), 1.51-1.42 (m, 4H), 1.39-1.25 (m, 16H), 0.90 (t, J=6.8Hz, 6H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
tetrakis(triphenylphosphine) palladium(0); In toluene;Heating / reflux; | b) A solution of 500 mg of the dibrominated DPP 2, 990 mg of the tin derivative and 85 mg of Pd(PPh3)4 in 30 ml of dry toluene is refluxed overnight under inert conditions. After cooling down, the mixture is filtrated on a double layer silica gel/Hyflo, concentrated and precipitated with methanol. The precipitate is filtrated and rinsed with methanol to give 530 mg of a blue solid of DPP 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
tetrakis(triphenylphosphine) palladium(0); In toluene;Heating / reflux; | A solution of 1.28 g of the dibrominated DPP derivative of the formula 2, 2.41 g of the tin derivative depicted above, and 215 mg of Pd(PPh3)4 in 30 ml of dry toluene is refluxed overnight under inert conditions. After cooling down, the mixture is filtrated on a double layer silica gel/Hyflo, concentrated and precipitated with methanol. The precipitate is filtrated and rinsed with methanol to give 1.17 g of a blue solid of the DPP derivative of the formula 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
31% | In N,N-dimethyl-formamide; at 130℃; for 8h;Inert atmosphere; | A mixture of compound 2 (249 mg, 0.365 mmol) and copper(l)cyanide (1.50 g, 16.7 mmol) in dry DMF (8 mL) is heated under argon for 8 h at 130 C. The reaction mixture is allowed to cool down to room temperature and a solution of sodium cyanide (180 g) in water (20 mL) is added. The aqueous phase is extracted with dichloromethane. The solvent is removed under reduced pressure and the residue is purified by column chromatography (dichloromethane) affording a dark violet solid (48.8 mg, 31 %).1H NMR (400 MHz, CD2CI2): delta = 8.82 (d, 3J = 4.2 Hz, 2H), 7.76 (d, 3J = 4.2 Hz, 2H), 4.03- 3.91 (m, 4H), 1 .84-1.72 (m, 2H), 1 .40-1.18 (m, 16H), 0.91-0.82 (m, 12H).13C NMR (101 MHz, CD2CI2): delta = 161 .5, 139.8, 138.3, 135.7, 134.8, 1 13.9, 1 13.7, 1 10.9, 46.4, 39.7, 30.5, 28.7, 23.9, 23,4, 14.2, 10.5.HRMS (ESI, acetonitrile/CHC 1 : 1 , pos. mode): Calcd. for [M+H] C32H39N4O2S2 575.2510. Found 575.2510.Elemental Anal. Calcd. for C32H38N4O2S2: C, 66.87; H, 6.66; N, 9.75; S, 1 1.16; O, 3.94. Found: C, 66.60; H, 6.62; N, 9.77; S, 1 1.09.CV (CH2CI2, 0.1 M TBAHFP, vs. Fc/Fc+): Ei/ ed {X IX2 ) = -1.77 V, Ei/ ed {XIX ) = -1.24 V, Ey^ (X/X+) = 0.86 V.UV-vis (CH2CI2): Amax (epsilon) = 586 (28500), 546 nm (26500 NM cm 1). The redox behavior is studied by cyclic voltammetry in dichloromethane with ferrocene as internal standard showing two reversible reductions at -1.24 V and -1.77 V as well as one reversible oxidation at 0.86 V. The optical absorption in dichloromethane shows a maximum at 586 nm. The optical band gap is determined as 2.12 eV from the absorption maxi- mum. |
31% | With sodium cyanide; In water; N,N-dimethyl-formamide; | Example 1 2,5-Di(2-ethylhexyl)-3,6-bis(5-cyano-thiophen-2-yl)pyrrolo[3,4-c]-pyrrole-1,4-dione (A-1) A mixture of compound 2 (249 mg, 0.365 mmol) and copper(I)cyanide (1.50 g, 16.7 mmol) in dry DMF (8 mL) is heated under argon for 8 h at 130 C. The reaction mixture is allowed to cool down to room temperature and a solution of sodium cyanide (180 g) in water (20 mL) is added. The aqueous phase is extracted with dichloromethane. The solvent is removed under reduced pressure and the residue is purified by column chromatography (dichloromethane) affording a dark violet solid (48.8 mg, 31%). 1H NMR (400 MHz, CD2Cl2): delta=8.82 (d, 3J=4.2 Hz, 2H), 7.76 (d, 3J=4.2 Hz, 2H), 4.03-3.91 (m, 4H), 1.84-1.72 (m, 2H), 1.40-1.18 (m, 16H), 0.91-0.82 (m, 12H). 13C NMR (101 MHz, CD2Cl2): delta=161.5, 139.8, 138.3, 135.7, 134.8, 113.9, 113.7, 110.9, 46.4, 39.7, 30.5, 28.7, 23.9, 23.4, 14.2, 10.5. HRMS (ESI, acetonitrile/CHCl3 1:1, pos. mode): Calcd. for [M+H]C32H39N4O2S2 575.2510. Found 575.2510. Elemental Anal. Calcd. for C32H38N4O2S2: C, 66.87; H, 6.66; N, 9.75; S, 11.16; O, 3.94. Found: C, 66.60; H, 6.62; N, 9.77; S, 11.09. |