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[ CAS No. 63132-85-4 ] {[proInfo.proName]}

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3d Animation Molecule Structure of 63132-85-4
Chemical Structure| 63132-85-4
Chemical Structure| 63132-85-4
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Product Details of [ 63132-85-4 ]

CAS No. :63132-85-4 MDL No. :MFCD11707045
Formula : C7H16ClNO2S Boiling Point : -
Linear Structure Formula :- InChI Key :SPGDRXRIVPMUCK-UHFFFAOYSA-N
M.W : 213.73 Pubchem ID :11701296
Synonyms :

Safety of [ 63132-85-4 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 63132-85-4 ]

* 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.

  • Upstream synthesis route of [ 63132-85-4 ]
  • Downstream synthetic route of [ 63132-85-4 ]

[ 63132-85-4 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 63132-85-4 ]
  • [ 74-88-4 ]
  • [ 669008-25-7 ]
YieldReaction ConditionsOperation in experiment
99%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -69 - 20℃; for 4.33333 h;
Stage #2: at -65 - 50℃; for 4.66667 h;
Preparation 16N-(tert-butyl)-1-methylcyclopropane-1-sulfonamide[0072]N-(tert-butyl)-3-chloropropane-1-sulfonamide (Previously dried by azeotroping with 3×100 mL toluene) (100 g, 468 mmol) and THF (1500 mL). This was cooled to an internal temperature of −69° C. then butyl lithium (2.5M in hexanes, 412 mL, 1.02 mol) was added dropwise over a period of 55 min while keeping the internal temperature below −65° C. The ice bath was removed and the reaction mixture was warmed to rt over 1.5 h and then cooled back down to an internal temperature of −69° C. Butyl lithium (196 mL, 515 mmol) was added to the reaction mixture over a period of 25 min while keeping the internal temperature below −65° C. The reaction mixture was then warmed to rt over the course of 1.5 h. The reaction mixture was recooled to an internal temperature of −69° C. and iodomethane (58.5 mL, 936 mmol) was added dropwise over a period of 40 min while keeping the internal temperature below −65° C. The reaction mixture was then warmed to an internal temperature of −50° C. over the course of 4 h. The cold bath was removed and a solution of saturated NH4Cl (1000 mL) was added. The quenched reaction mixture was transferred to a separatory funnel along with ethyl acetate (100 mL) and water (500 mL). The layers were separated and the aqueous layer was extracted with ethyl acetate. (3×75 mL). The combined organic layers were washed with brine (700 mL), dried with MgSO4, and concentrated in vacuo to an off white solid which was dried under high vac for 30 min to yield N-(tert-butyl)-1-methylcyclopropane-1-sulfonamide as a white solid (88.5 g, 99percent yield). 1H NMR (500 MHz, CDCl3) δ 4.07 (bs, 1H), 1.51 (s, 3H), 1.38-1.41 (m, 2H), 1.36 (s, 9H), 0.77-0.80 (m, 2H).
99%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -69 - 20℃; for 4.33333 h;
Stage #2: at -69 - -50℃; for 4.66667 h;
Preparation 16 N-(tert-butyl)-1-methylcyclopropane-1-sulfonamide [0104] N-(tert-butyl)-3-chloropropane-1-sulfonamide (Previously dried by azeotroping with 3 x 1OOmL toluene) (100 g, 468 mmol) and THF (1500 niL). This was cooled to an internal temperature of -69 °C then butyl lithium (2.5M in hexanes, 412 mL, 1.02 mol) was added dropwise over a period of 55 min while keeping the internal temperature below -65 °C. The ice bath was removed and the reaction mixture was warmed to rt over 1.5 h and then cooled back down to an internal temperature of -69 °C. Butyl lithium (196 mL, 515 mmol) was added to the reaction mixture over a period of 25 min while keeping the internal temperature below -65 °C. The reaction mixture was then warmed to rt over the course of 1.5h. The reaction mixture was recooled to an internal temperature of -69 °C and iodo methane (58.5 mL, 936 mmol) was added dropwise over a period of 40 min while keeping the internal temperature below-65 °C. The reaction mixture was then warmed to an internal temperature of -50 °C over the course of 4h. The cold bath was removed and a solution of saturated NH4C1 (1000 mL) was added. The quenched reaction mixture was transferred to a separatory funnel along with ethyl acetate (100 mL) and water (500 mL). The layers were separated and the aqueous layer was extracted with ethyl acetate. (3 x 75 mL). The combined organic layers were washed with brine (700 mL), dried with MgS04, and concentrated in vacuo to an off white solid which was dried under high vac for 30 min to yield N-(tert-butyl)-1-methylcyclopropane-1 -sulfonamide as a white solid (88.5 g, 99percent yield). NMR (500 MHz, CDC13) δ 4.07 (bs, 1 H), 1.51 (s, 3 H), 1.38-1.41 (m, 2 H), 1.36 (s, 9 H), 0.77-0.80 (m, 2 H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at 20℃; Neat (no solvent)
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at -78 - 20℃;
A solution of N-tert-Butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyliodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1 H)
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at 20℃;
Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water at 20℃;
A solution of N-tert-Butyl- (3-chloro) propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to-78 °C. To this solution was added n- BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to-78°C, and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to-78 °C over a period of 2 h and a neat solution of methyliodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgS04), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent) :'H NMR (CDCl3) 8 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H)
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at -78 - 20℃;
Stage #3: With water; ammonium chloride In tetrahydrofuran; hexane at 20℃;
Step Ib. Preparation ofN-tert-Butyl-(l-methyl)cyclopropylsulfonamide.; A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to - 78 0C. To this solution was added n- BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5h. This mixture was then cooled to - 78°C, and a solution of M-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78 0C over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated <n="54"/>NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, IH).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at -78 - 20℃;
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at -78 - 20℃;
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h;
Stage #2: at 20℃;
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2.5 h;
Stage #2: at 20℃; Neat (no solvent)
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5 h. This mixture was then cooled to -78° C., and a solution of n-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78° C. over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;
Stage #2: at -78 - 20℃;
Step 2: Preparation of N-tert-butyl-(1-methyl)cyclopropyl-sulfonamide A solution of the product of Step 1 (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to -78° C. To this solution was added n-butyllithium (17.6 mL, 44 mmol, 2.5M in hexane) slowly. The dry ice bath was removed and the reaction mixture was warmed to room temperature over a period of 1.5 hours. This mixture was cooled to -78° C. and a solution of n-butyllithium (20 mmol, 8 mL, 2.5M in hexane) was added. The reaction mixture was warmed to room temperature, cooled to -78° C. over a period of 2 hours, and treated with a neat solution of methyl iodide (5.68 g, 40 mmol). The reaction mixture was warmed to room temperature overnight, then quenched with saturated NH4Cl (100 mL) at room temperature and extracted with ethyl acetate (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), filtered, and concentrated in vacuo to provide a yellow oil which was crystallized from hexane to provide the desired product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (br s, 1H).
81%
Stage #1: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5 h; Cooling with dry ice
Stage #2: at -78 - 20℃;
A solution of N-tert-butyl-(3-chloro)propylsulfonamide (4.3 g, 20 mmol) was dissolved in dry THF (100 mL) and cooled to - 78 0C. To this solution was added n- <n="52"/>BuLi (17.6 mL, 44 mmol, 2.5 M in hexane) slowly. The dry ice bath was removed and the reaction mixture was allowed to warm to rt over a period of 1.5h. This mixture was then cooled to - 78°C, and a solution of M-BuLi (20 mmol, 8 mL, 2.5 M in hexane) was added. The reaction mixture was warmed to rt, recooled to -78 0C over a period of 2 h and a neat solution of methyl iodide (5.68 g, 40 mmol) added. The reaction mixture was allowed to warm to rt overnight, quenched with saturated NH4Cl (100 mL) at rt. It was extracted with EtOAc (100 mL). The organic phase was washed with brine (100 mL), dried (MgSO4), and concentrated in vacuo to give a yellow oil which was crystallized from hexane to afford the product as a slightly yellow solid (3.1 g, 81percent): 1H NMR (CDCl3) δ 0.79 (m, 2H), 1.36 (s, 9H), 1.52 (m, 2H), 1.62 (s, 3H), 4.10 (bs, IH).

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