(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

Base Information Edit

Chemical Name:(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate
CAS No.:1392315-38-6
Molecular Formula:C₃₅H₅₄F₃NO₅S
Molecular Weight:657.879
Hs Code.:
Mol file:1392315-38-6.mol

(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

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Chemical Property of (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate Edit

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Technology Process of (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

There total 12 articles about (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 72.3%

: 37595-74-7
N,N-phenylbistrifluoromethane-sulfonimide

: 1392315-37-5
tert-butyl ((1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-3a-yl)carbamate

: 1392315-38-6
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

Guidance literature:: With potassium hexamethylsilazane; In tetrahydrofuran; at -78 - 20 ℃; for 2h; Concentration; Temperature; Time; Inert atmosphere;

Reference yield:

Betulinic acid: 472-15-1
Betulinic acid

: 1392315-38-6
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

Guidance literature:: Multi-step reaction with 5 steps

1: triethylamine; diphenyl phosphoryl azide / 1,4-dioxane / 26 h / Inert atmosphere; Reflux

2: hydrogenchloride; water / 1,4-dioxane / 15 h / 60 °C / Inert atmosphere

3: sodium hydrogencarbonate / 1,4-dioxane; water / 16 h / 20 °C / Inert atmosphere

4: pyridinium chlorochromate / dichloromethane / 6 h / 20 °C / Inert atmosphere

5: potassium hexamethylsilazane / tetrahydrofuran / 2 h / -78 - 20 °C / Inert atmosphere

With hydrogenchloride; diphenyl phosphoryl azide; water; potassium hexamethylsilazane; sodium hydrogencarbonate; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; water;

Reference yield:

: 672958-04-2
(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-isocyanato-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-ol

: 1392315-38-6
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-((tert-butoxycarbonyl)amino)-5 a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

Guidance literature:: Multi-step reaction with 4 steps

1: hydrogenchloride; water / 1,4-dioxane / 15 h / 60 °C / Inert atmosphere

2: sodium hydrogencarbonate / 1,4-dioxane; water / 16 h / 20 °C / Inert atmosphere

3: pyridinium chlorochromate / dichloromethane / 6 h / 20 °C / Inert atmosphere

4: potassium hexamethylsilazane / tetrahydrofuran / 2 h / -78 - 20 °C / Inert atmosphere

With hydrogenchloride; water; potassium hexamethylsilazane; sodium hydrogencarbonate; pyridinium chlorochromate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; water;