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1-二甲氨基-2-甲基-3-戊酮（CAS 51690-03-0）的产品身份、结构标识及相关反应资料，供化学中间体检索、研发和采购评估使用。
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12 条反应 · 12 篇文献
反应条件: temp:0.00; pressure:0.00; stir:
来源 ID: ord-cf208c9eb5834b4b8db6538d3915e4da反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 63 g of crude mixture were obtained under the conditions cited for Example 1 from 38.0 g (270 mmole) 1-dimethylamino-2-methylpentan-3-one, 74.7 g (390 mmole) 1-bromo-3-chlorobenzene and 9.50 g (390 mmole) magnesium turnings. This mixture was introduced on to a 7×45 cm column packed with silica gel and eluted with 7:1 diisopropyl ether/methanol. 12.8 g of base were obtained, from which 10.8 g of hydrochloride (4) (14% theoretical) with a melting point of 160-162° C. were obtained with trimethylchlorosilane/water in 2-butanone/ether. This mixture was introduced on to a 7×45 cm column eluted with 7:1 diisopropyl ether/methanol
来源 ID: ord-60742f77b0f3475c9371b8a666896567反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 63 g of crude mixture were obtained under the conditions cited for Example 1 from 38.0 g (270 mmole) 1-dimethylamino-2-methylpentan-3-one, 74.7 g (390 mmole) 1-bromo-3-chlorobenzene and 9.50 g (390 mmole) magnesium turnings. This mixture was introduced on to a 7×45 cm column packed with silica gel and eluted with 7:1 diisopropyl ether/methanol. 12.8 g of base were obtained, from which 10.8 g of hydrochloride (4) (14% theoretical) with a melting point of 160-162° C. were obtained with trimethylchlorosilane/water in 2-butanone/ether. This mixture was introduced on to a 7×45 cm column eluted with 7:1 diisopropyl ether/methanol
来源 ID: ord-60742f77b0f3475c9371b8a666896567反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 39 g of crude mixture were prepared analogously to Example 1 from 15 g (105 mmole) 1-dimethylamino-2-methylpentan-3-one, 35.5 g (157 mmole) 4-bromo-1,2-dichlorobenzene and 3.8 g (157 mmole) magnesium turnings. This mixture was introduced on to a 7×40 cm column packed with silica gel and eluted with 4:1 ethyl acetate/methanol. 14.9 g of base were obtained, from which 11.2 g of hydrochloride (2) (31% theoretical) with a melting point of 183-184° C. were obtained with trimethylchlorosilane/water in 2-butanone/diisopropyl ether. This mixture was introduced on to a 7×40 cm column eluted with 4:1 ethyl acetate/methanol
来源 ID: ord-c2c509eb22c94392b776d4b33f69ca3c反应条件: temp:0.00; pressure:0.00; stir:
来源 ID: ord-cf208c9eb5834b4b8db6538d3915e4da反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 27.0 g (1.11 mole) of magnesium turnings were stirred in 150 ml tetrahydrofuran and 207.6 g (1.11 mole) 1-bromo-3-methoxy-benzene, dissolved in 400 ml tetrahydrofuran, were added drop-wise. The mixture was heated for one hour under reflux and was subsequently cooled to a temperature between 5° C. and 10° C. 128.30 g (0.89 mole) (RS)-1-dimethylamino-2-methyl-pentan-3-one, dissolved in 400 ml tetrahydrofuran, were added drop-wise at this temperature. The reaction mixture was allowed to stand and was subsequently cooled again to a temperature between 5° C. and 10° C. After adding 300 ml of 20 weight % ammonium chloride solution, the mixture was diluted with 400 ml ether. After phase separation the batch was extracted twice with ether, dried over sodium sulphate and the solvent was removed by distillation. The residue obtained was taken up in 3.2 l 2-butanone and treated with 120.60 g (1.11 mole) trimethylchlorosilane and 20 ml water. 121.5 g of hydrochloride (2) (38% theoretical) with a melting point of 198°-199° C. were obtained. 2nd step: were added drop-wise The mixture was heated for one hour under reflux was subsequently cooled to a temperature between 5° C. and 10° C were added drop-wise at this temperature was subsequently cooled again to a temperature between 5° C. and 10° C After phase separation the batch was extracted twice with ether dried over sodium sulphate the solvent was removed by distillation The residue obtained
来源 ID: ord-b993ec200c4b4d7b8bdf662dfaa98480反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 27.0 g (1.11 mole) of magnesium turnings were stirred in 150 ml tetrahydrofuran and 207.6 g (1.11 mole) 1-bromo-3-methoxy-benzene, dissolved in 400 ml tetrahydrofuran, were added drop-wise. The mixture was heated for one hour under reflux and was subsequently cooled to a temperature between 5° C. and 10° C. 128.30 g (0.89 mole) (RS)-1-dimethylamino-2-methyl-pentan-3-one, dissolved in 400 ml tetrahydrofuran, were added drop-wise at this temperature. The reaction mixture was allowed to stand and was subsequently cooled again to a temperature between 5° C. and 10° C. After adding 300 ml of 20 weight % ammonium chloride solution, the mixture was diluted with 400 ml ether. After phase separation the batch was extracted twice with ether, dried over sodium sulphate and the solvent was removed by distillation. The residue obtained was taken up in 3.2 l 2-butanone and treated with 120.60 g (1.11 mole) trimethylchlorosilane and 20 ml water. 121.5 g of hydrochloride (2) (38% theoretical) with a melting point of 198°-199° C. were obtained. 2nd step: were added drop-wise The mixture was heated for one hour under reflux was subsequently cooled to a temperature between 5° C. and 10° C were added drop-wise at this temperature was subsequently cooled again to a temperature between 5° C. and 10° C After phase separation the batch was extracted twice with ether dried over sodium sulphate the solvent was removed by distillation The residue obtained
来源 ID: ord-b993ec200c4b4d7b8bdf662dfaa98480反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 63 g of crude mixture were obtained under the conditions cited for Example 1 from 38.0 g (270 mmole) 1-dimethylamino-2-methylpentan-3-one, 74.7 g (390 mmole) 1-bromo-3-chlorobenzene and 9.50 g (390 mmole) magnesium turnings. This mixture was introduced on to a 7×45 cm column packed with silica gel and eluted with 7:1 diisopropyl ether/methanol. 12.8 g of base were obtained, from which 10.8 g of hydrochloride (4) (14% theoretical) with a melting point of 160-162° C. were obtained with trimethylchlorosilane/water in 2-butanone/ether. This mixture was introduced on to a 7×45 cm column eluted with 7:1 diisopropyl ether/methanol
来源 ID: ord-121ee4b9e0f94c54a3daf9fccd726580反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 39 g of crude mixture were prepared analogously to Example 1 from 15 g (105 mmole) 1-dimethylamino-2-methylpentan-3-one, 35.5 g (157 mmole) 4-bromo-1,2-dichlorobenzene and 3.8 g (157 mmole) magnesium turnings. This mixture was introduced on to a 7×40 cm column packed with silica gel and eluted with 4:1 ethyl acetate/methanol. 14.9 g of base were obtained, from which 11.2 g of hydrochloride (2) (31% theoretical) with a melting point of 183-184° C. were obtained with trimethylchlorosilane/water in 2-butanone/diisopropyl ether. This mixture was introduced on to a 7×40 cm column eluted with 4:1 ethyl acetate/methanol
来源 ID: ord-51c08ffca32340f39d0ffec60e5e8644反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 63 g of crude mixture were obtained under the conditions cited for Example 1 from 38.0 g (270 mmole) 1-dimethylamino-2-methylpentan-3-one, 74.7 g (390 mmol) 1 -bromo-3-chlorobenzene and 9.50 g (390 mmole) magnesium turnings. This mixture was introduced on to a 7×45 cm column packed with silica gel and eluted with 7:1 diisopropyl ether/methanol. 12.8 g of base were obtained, from which 10.8 g of hydrochloride (4) (14% theoretical) with a melting point of 160-162° C. were obtained with trimethylchlorosilane/water in 2-butanone/ether. This mixture was introduced on to a 7×45 cm column eluted with 7:1 diisopropyl ether/methanol
来源 ID: ord-069ecd9979c44183b2e342908f179d49反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 39 g of crude mixture were prepared analogously to Example 1 from 15 g (105 mmol) 1-dimethylamino-2-methylpentan-3-one, 35.5 g (157 mmole) 4-bromo-1,2-dichlorobenzene and 3.8 g (157 mmole) magnesium turnings. This mixture was introduced on to a 7×40 cm column packed with silica gel and eluted with 4:1 ethyl acetate/methanol. 14.9 g of base were obtained, from which 11.2 g of hydrochloride (2) (31% theoretical) with a melting point of 183-184° C. were obtained with trimethylchlorosilane/water in 2-butanone/diisopropyl ether. This mixture was introduced on to a 7×40 cm column eluted with 4:1 ethyl acetate/methanol
来源 ID: ord-eaaeec69113d40be93a9b948dcc629cf反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 63 g of crude mixture were obtained under the conditions cited for Example 1 from 38.0 g (270 mmole) 1-dimethylamino-2-methylpentan-3-one, 74.7 g (390 mmole) 1-bromo-3-chlorobenzene and 9.50 g (390 mmole) magnesium turnings. This mixture was introduced on to a 7×45 cm column packed with silica gel and eluted with 7:1 diisopropyl ether/methanol. 12.8 g of base were obtained, from which 10.8 g of hydrochloride (4) (14% theoretical) with a melting point of 160-162° C. were obtained with trimethylchlorosilane/water in 2-butanone/ether. This mixture was introduced on to a 7×45 cm column eluted with 7:1 diisopropyl ether/methanol
来源 ID: ord-60742f77b0f3475c9371b8a666896567PubChem References
以下资料来自该化合物的公开数据库参考记录。