轻松扫码查看产品文档 | TCIMAIL No.197 已上新 | TCI试剂——品质可靠，值得信赖
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CAS RN: 12148-71-9 | 产品编码: C2662
(1,5-Cyclooctadiene)(methoxy)iridium(I) Dimer
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* 无具体发货日期的情况，如：显示“8个工作日后发货”，将在您订购日起的8个工作日后发货。
* 我们将以最优方式从上海/天津两大仓库发货。国内库存不足，需两周左右向日本总部调货。
* 对于可分装产品，11:30前的订单，当天发货；11:30后的订单，隔天发货。
* 如需大包装，请点击“大包装询价”按钮（对于某些产品我们无法提供大包装）。
* TCI会经常复审储藏条件以对其进行优化，请以在线目录为准，敬请留意。
* 更多信息，请联系营业部：021-67121386 / Sales-CN@TCIchemicals.com 。任何货期、规格或包装方面的需求，请联系我们 。
| 产品编码 | C2662 |
| 分子式/分子量 | C__1__8H__3__0Ir__2O__2 = 662.87 |
| 外观与形状（20°C） | 固体 |
| 储存温度 | 冷冻 (<0°C) |
| 储存在惰性气体下 | 存放于惰性气体之中 |
| 应避免的情况 | 光,空气,湿气 (分解),加热 |
| 包装和容器 | 1G-带有塑料内管的玻璃瓶 （查看图片）, 200MG-带有塑料内管的玻璃瓶 （查看图片） |
| CAS RN | 12148-71-9 |
| Reaxys-RN | 14520157 |
| PubChem物质ID | 160871404 |
| MDL编号 | MFCD08459360 |
技术规格
| Appearance | Light yellow to Amber to Dark green powder to crystal |
| Elemental analysis(Carbon) | 31.50 to 34.00 % |
物性（参考值）
| 熔点 | 179 °C(dec.) |
GHS
相关法规
| 新化学物质备案回执号 | B1A232216328 |
运输信息
| 监管条件代码(*) |
应用
TCI Practical Example: Hartwig-Miyaura C-H Borylation Using an Iridium Catalyst
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Used Chemicals
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Procedure
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A solution of dtbpy (27 mg, 0.05 mmol), bis(pinacolato)diboron (1.0 g, 4.0 mmol) and [Ir(cod)OMe]2 (33 mg, 0.025 mmol) in cyclohexane (40 mL) was stirred under nitrogen at room temperature for 10 min. Benzo[1,2-b:4,5-b']dithiophene (380 mg, 2.0 mmol) was added the mixture and stirred 80 ˚C for 18 hours. The reaction mixture was quenched with water and separated both layers, extracted with dichloromethane. The organic phase was dried over anhydrous sodium sulfate and filtered. The solvent was removed under reduced pressure and the crude was washed with methanol (20 mL) to give 1 as a white solid (0.771 g, 87% yield).
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Experimenter’s Comments
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The reaction mixture was monitored by NMR.
Cyclohexane was bubbled with nitrogen before use.
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Analytical Data
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Compound 1
1H NMR (270 MHz, CDCl3); δ 8.36 (s, 2H), 7.90 (s, 2H), 1.39 (s, 24H).
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Lead Reference
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- Synthesis and Transistor Application of Bis[1]benzothieno[6,7‑d:6′,7′‑d′]benzo[1,2‑b:4,5‑b′]dithiophenes
应用
Hartwig-Miyaura C-H Borylation
Reference
- Room temperature borylation of arenes and heteroarenes using stoichiometric amounts of pinacolborane catalyzed by iridium complexes in an inert solvent
应用
Catalytic Functionalization of Un-activated Primary C―H Bonds
Typical Procedure:
An alcohol or ketone substrate is dissolved in THF and treated with a freshly prepared solution of [Ir(cod)OMe]2 (0.05 mol%) in THF and then with neat Et2SiH2 (1.2 eq.). The resulting solution is stirred at room temperature (23 °C) until complete conversion of the alcohol or ketone. At the completion of the reaction, the corresponding diethyl(hydrido)silyl ether is observed. Then the reaction mixture is placed under high vacuum for 1 h. The concentrated diethyl(hydrido)silyl ether is sequentially treated with freshly prepared solutions of norbornene (1.2 eq.) in THF and [Ir(cod)OMe]2 (0.5 mol%) in THF, and then with a slurry of Me4phen (1.25 mol%) in THF. The resulting solution is stirred at room temperature for 1 h and then heated it at 80-120 °C until complete conversion to the corresponding oxasilolane is observed. Then the crude reaction mixture containing the oxasilolane is sequentially treated with MeOH, KHCO3 (2.5 eq.) and H2O2 (30% solution in H2O, 10 eq.), and the resulting mixture is stirred overnight at 50 °C. The reaction is carefully quenched with aq. NaHSO3, and the resulting mixture is extracted with EtOAc. The combined organic layer is sequentially washed with 1 M HCl and sat. NaHCO3, and then dried with MgSO4. The resulting organic layer is filtered through Celite and concentrated to provide the crude diol, which is either purified directly or after conversion to the corresponding acetate derivative through treatment with Ac2O and Et3N.
An alcohol or ketone substrate is dissolved in THF and treated with a freshly prepared solution of [Ir(cod)OMe]2 (0.05 mol%) in THF and then with neat Et2SiH2 (1.2 eq.). The resulting solution is stirred at room temperature (23 °C) until complete conversion of the alcohol or ketone. At the completion of the reaction, the corresponding diethyl(hydrido)silyl ether is observed. Then the reaction mixture is placed under high vacuum for 1 h. The concentrated diethyl(hydrido)silyl ether is sequentially treated with freshly prepared solutions of norbornene (1.2 eq.) in THF and [Ir(cod)OMe]2 (0.5 mol%) in THF, and then with a slurry of Me4phen (1.25 mol%) in THF. The resulting solution is stirred at room temperature for 1 h and then heated it at 80-120 °C until complete conversion to the corresponding oxasilolane is observed. Then the crude reaction mixture containing the oxasilolane is sequentially treated with MeOH, KHCO3 (2.5 eq.) and H2O2 (30% solution in H2O, 10 eq.), and the resulting mixture is stirred overnight at 50 °C. The reaction is carefully quenched with aq. NaHSO3, and the resulting mixture is extracted with EtOAc. The combined organic layer is sequentially washed with 1 M HCl and sat. NaHCO3, and then dried with MgSO4. The resulting organic layer is filtered through Celite and concentrated to provide the crude diol, which is either purified directly or after conversion to the corresponding acetate derivative through treatment with Ac2O and Et3N.
References
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