As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquirycicutoxin CAS:505-75-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, s
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Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquirybest seller Application:API
8,10,12-Heptadecatriene-4,6-diyne-1,14-diol,(8E,10E,12E,14R)- cas 505-75-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiry8,10,12-Heptadecatriene-4,6-diyne-1,14-diol,(8E,10E,12E,14R)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates
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inquiry(4R,5E,7E,9E)‐17‐((tetrahydro‐2H‐pyran‐2‐yl)oxy)heptadeca‐5,7,9‐trien‐11,13‐diyn‐4‐ol
Cicutotoxin
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol at 20℃; for 0.5h; Inert atmosphere; | 61% |
With toluene-4-sulfonic acid In methanol at 20℃; for 1.5h; Darkness; | 53% |
7-bromohepta-4,6-diyn-1-ol
(4R,5E,7E,9E)-10-(tributylstannyl)deca-5,7,9-trien-4-ol
Cicutotoxin
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium fluoride; copper(l) iodide; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol In 1-methyl-pyrrolidin-2-one at 45℃; for 3.5h; Stille coupling; Inert atmosphere; |
7-iodohepta-4,6-diyn-1-ol
(4R,5E,7E,9E)-10-(tributylstannyl)deca-5,7,9-trien-4-ol
Cicutotoxin
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; copper(l) iodide; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol In tetrahydrofuran at 20 - 45℃; for 5h; Stille coupling; Inert atmosphere; |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: iodine; potassium hydroxide / methanol; water / 7 h / 20 °C 2: piperidine; copper(l) chloride / 1 h / 0 °C / Inert atmosphere; Neat (no solvent) 3: N-Bromosuccinimide; silver nitrate / acetone / 18 h / 20 °C / Inert atmosphere; Darkness 4: copper(l) iodide; potassium fluoride; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol / 1-methyl-pyrrolidin-2-one / 3.5 h / 45 °C / Inert atmosphere View Scheme |
7-(trimethylsilyl)hepta-4,6-diyn-1-ol
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; silver nitrate / acetone / 18 h / 20 °C / Inert atmosphere; Darkness 2: copper(l) iodide; potassium fluoride; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol / 1-methyl-pyrrolidin-2-one / 3.5 h / 45 °C / Inert atmosphere View Scheme |
5-iodo-4-pentyn-1-ol
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: piperidine; copper(l) chloride / 1 h / 0 °C / Inert atmosphere; Neat (no solvent) 2: N-Bromosuccinimide; silver nitrate / acetone / 18 h / 20 °C / Inert atmosphere; Darkness 3: copper(l) iodide; potassium fluoride; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol / 1-methyl-pyrrolidin-2-one / 3.5 h / 45 °C / Inert atmosphere View Scheme |
(E)-7-chlorohept-6-en-4-yn-1-ol
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 3 h / -20 °C / Inert atmosphere 1.2: 0.5 h / Inert atmosphere 2.1: copper(l) iodide; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenyl-arsane; 2,6-di-tert-butyl-4-methyl-phenol / tetrahydrofuran / 5 h / 20 - 45 °C / Inert atmosphere View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 2: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: 12 h / 20 °C 2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 0.5 h / 20 °C / Schlenk technique 2.2: 12 h 3.1: diisobutylaluminium hydride / dichloromethane / 1.5 h / -78 °C / Darkness; Schlenk technique 4.1: barium(II) hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C / Schlenk technique; Darkness 5.1: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 6.1: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: barium(II) hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C / Schlenk technique; Darkness 2: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 3: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
2‐(hepta‐4,6‐diyn‐1‐yloxy)tetrahydro‐2H‐pyran
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: methyllithium / tetrahydrofuran; diethyl ether / 0.5 h / Schlenk technique 1.2: 1 h / -78 °C 1.3: 4 h / -78 - 20 °C 2.1: 12 h / 20 °C 3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 0.5 h / 20 °C / Schlenk technique 3.2: 12 h 4.1: diisobutylaluminium hydride / dichloromethane / 1.5 h / -78 °C / Darkness; Schlenk technique 5.1: barium(II) hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C / Schlenk technique; Darkness 6.1: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 7.1: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 0.5 h / 20 °C / Schlenk technique 1.2: 12 h 2.1: diisobutylaluminium hydride / dichloromethane / 1.5 h / -78 °C / Darkness; Schlenk technique 3.1: barium(II) hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C / Schlenk technique; Darkness 4.1: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 5.1: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: diisobutylaluminium hydride / dichloromethane / 1.5 h / -78 °C / Darkness; Schlenk technique 2: barium(II) hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C / Schlenk technique; Darkness 3: dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / -50 °C 4: toluene-4-sulfonic acid / methanol / 1.5 h / 20 °C / Darkness View Scheme |
tert-butyldimethylsilyl chloride
Cicutotoxin
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0℃; for 3h; Substitution; | 80% |
(S)-(+)-2-methoxy-2-trifluoromethyl-2-phenylacetyl chloride
Cicutotoxin
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 5h; Esterification; | 76% |
Conditions | Yield |
---|---|
With pyridine at 0℃; for 8.3h; | A 55% B 23% C 10% |
Conditions | Yield |
---|---|
With potassium hydroxide In N,N-dimethyl-formamide at 0℃; for 0.166667h; | A 27% B 5% C 24% |
Cicutotoxin
A
17-hydroxy-heptadeca-5t,7t,9t-triene-11,13-diyn-4-one
C
(8E,10E,12E)-(R)-14-Hydroxy-heptadeca-8,10,12-triene-4,6-diynal
Conditions | Yield |
---|---|
With pyridine-SO3 complex; dimethyl sulfoxide; triethylamine In dichloromethane at 0℃; for 4h; | A 8% B 16% C 13% |
(R)-methoxytrifluoromethylphenylacetyl chloride
Cicutotoxin
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 5h; Esterification; |
Cicutotoxin
(8E,10E,12E)-(R)-14-Hydroxy-heptadeca-8,10,12-triene-4,6-diynoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 13 percent / DMSO; SO3*pyridine; Et3N / CH2Cl2 / 4 h / 0 °C 2: 71 percent / KOH; I2 / 0.25 h / 0 °C 3: 75 percent / 1 N aq. NaOH / methanol / 9 h / 20 °C View Scheme |
Cicutotoxin
(8E,10E,12E)-(R)-14-Hydroxy-heptadeca-8,10,12-triene-4,6-diynoic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 13 percent / DMSO; SO3*pyridine; Et3N / CH2Cl2 / 4 h / 0 °C 2: 71 percent / KOH; I2 / 0.25 h / 0 °C View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 13 percent / DMSO; SO3*pyridine; Et3N / CH2Cl2 / 4 h / 0 °C 2: 71 percent / KOH; I2 / 0.25 h / 0 °C 3: 75 percent / 1 N aq. NaOH / methanol / 9 h / 20 °C 4: 63 percent / NH4Cl; DPPA; Et3N / dimethylformamide / 8.5 h / 0 °C View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 13 percent / DMSO; SO3*pyridine; Et3N / CH2Cl2 / 4 h / 0 °C 2: 71 percent / KOH; I2 / 0.25 h / 0 °C 3: 75 percent / 1 N aq. NaOH / methanol / 9 h / 20 °C 4: 70 percent / DPPA; Et3N / dimethylformamide / 9.5 h / 0 °C View Scheme |
Cicutotoxin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 80 percent / Et3N, DMAP / CH2Cl2 / 3 h / 0 °C 2: 94 percent / Et3N, DMAP / CH2Cl2 / 3 h / 0 °C View Scheme |
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