Technology Process of (-)-(2S,3R,4aR,5aS,13bS,13cR,15aS)-2-[1-(benzyloxy)-1-methylethyl]-3,4,5,6,7,7a,8,13,13b,13c,14,15,15a-dodecahydro-13b,13c-dimethyl-10-(3-methylbut-2-enyl)-3-[(triethylsilyl)oxy]-2H-oxireno[2'',3'':4a',5'][1]benzopyrano[5'6':6,7]indeno[1,2-b]indole
There total 33 articles about (-)-(2S,3R,4aR,5aS,13bS,13cR,15aS)-2-[1-(benzyloxy)-1-methylethyl]-3,4,5,6,7,7a,8,13,13b,13c,14,15,15a-dodecahydro-13b,13c-dimethyl-10-(3-methylbut-2-enyl)-3-[(triethylsilyl)oxy]-2H-oxireno[2'',3'':4a',5'][1]benzopyrano[5'6':6,7]indeno[1,2-b]indole 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:
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502614-05-3
(-)-{(2R,3S,4aS,6aR,7S,10aS,11aR)-3-[1-(benzyloxy)-1-methylethyl]-2,3,4a,5,6,6a,7,8,9,10-decahydro-6a,7-dimethyl-7-[5-(3-methylbut-2-enyl)-1H-indol-2-yl]-2-[(triethylsilyl)oxy]-1H-benzo[f]oxireno[2,3-e][1]benzopyran-8-yl}methyl metanesulfonate
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502614-06-4
(-)-(2S,3R,4aR,5aS,13bS,13cR,15aS)-2-[1-(benzyloxy)-1-methylethyl]-3,4,5,6,7,7a,8,13,13b,13c,14,15,15a-dodecahydro-13b,13c-dimethyl-10-(3-methylbut-2-enyl)-3-[(triethylsilyl)oxy]-2H-oxireno[2'',3'':4a',5'][1]benzopyrano[5'6':6,7]indeno[1,2-b]indole
- Guidance literature:
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With
tert-butylmagnesium chloride;
In
toluene;
at 110 ℃;
for 0.0833333h;
DOI:10.1002/hlca.200390328
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502614-06-4
(-)-(2S,3R,4aR,5aS,13bS,13cR,15aS)-2-[1-(benzyloxy)-1-methylethyl]-3,4,5,6,7,7a,8,13,13b,13c,14,15,15a-dodecahydro-13b,13c-dimethyl-10-(3-methylbut-2-enyl)-3-[(triethylsilyl)oxy]-2H-oxireno[2'',3'':4a',5'][1]benzopyrano[5'6':6,7]indeno[1,2-b]indole
- Guidance literature:
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Multi-step reaction with 17 steps
1.1: 90 percent / tetrahydrofuran; diethyl ether / 1 h / 20 °C
2.1: 58 percent / AcOH; Ac2O / 38 h / 20 °C
3.1: 96 percent / NaH; Bu4NI / tetrahydrofuran / 0 - 20 °C
4.1: 90 percent / (+)-camphorsulfonic acid / methanol; H2O / 2.5 h / 65 °C
5.1: 91 percent / NaH; 1-tosyl-1H-imidazole / tetrahydrofuran / -78 - 0 °C / 2.2 Torr
6.1: LiNEt2; DMPU; chiral octahydronaphthalene dimethylhydrazone / tetrahydrofuran; hexane / 17 h / -40 - 65 °C
7.1: DMAP / CH2Cl2 / 18 h / 20 °C
8.1: 615 mg / AcONa; AcOH / benzene / 45 h / 65 °C
9.1: 70 percent / aq. HClO4 / acetonitrile / 1.25 h / 55 °C
10.1: 91 percent / N-iodosuccinimide; tetrabutylammonium iodide / CH2Cl2 / 1 h / 0 - 20 °C
11.1: 81 percent / Et3SiH; TfOH / acetonitrile; CH2Cl2 / 1 h / -50 - -20 °C
12.1: 77 percent / m-CPBA; NaHCO3 / toluene / 48 h / 20 °C
13.1: KOH / methanol; H2O / 42 h / Heating
13.2: 91 percent / DMAP; EDCI / CH2Cl2 / 0.33 h / 20 °C
14.1: 94 percent / 2,6-lutidine / CH2Cl2 / 0.33 h / 20 °C
15.1: MeLi; TMSCl / diethyl ether / 1.5 h / 0 °C
15.2: diethyl ether / 0.42 h / 0 - 20 °C
15.3: 76 percent / toluene / 40 h / Heating
16.1: 90 percent / DMAP / CH2Cl2 / 0.33 h / 0 - 20 °C
17.1: 73 percent / tBuMgCl / toluene / 0.08 h / 110 °C
With
2,6-dimethylpyridine; triethylsilane; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; potassium hydroxide; N-iodo-succinimide; chloro-trimethyl-silane; perchloric acid; trifluorormethanesulfonic acid; chiral octahydronaphthalene dimethylhydrazone; tert-butylmagnesium chloride; lithium diethylamide; methyllithium; sodium acetate; acetic anhydride; tetra-(n-butyl)ammonium iodide; sodium hydride; sodium hydrogencarbonate; acetic acid; (+)-10-camphorsulfonic acid; 3-chloro-benzenecarboperoxoic acid; N-tosylimidazole;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; toluene; acetonitrile; benzene;
DOI:10.1002/hlca.200390328
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502614-06-4
(-)-(2S,3R,4aR,5aS,13bS,13cR,15aS)-2-[1-(benzyloxy)-1-methylethyl]-3,4,5,6,7,7a,8,13,13b,13c,14,15,15a-dodecahydro-13b,13c-dimethyl-10-(3-methylbut-2-enyl)-3-[(triethylsilyl)oxy]-2H-oxireno[2'',3'':4a',5'][1]benzopyrano[5'6':6,7]indeno[1,2-b]indole
- Guidance literature:
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Multi-step reaction with 15 steps
1.1: 96 percent / NaH; Bu4NI / tetrahydrofuran / 0 - 20 °C
2.1: 90 percent / (+)-camphorsulfonic acid / methanol; H2O / 2.5 h / 65 °C
3.1: 91 percent / NaH; 1-tosyl-1H-imidazole / tetrahydrofuran / -78 - 0 °C / 2.2 Torr
4.1: LiNEt2; DMPU; chiral octahydronaphthalene dimethylhydrazone / tetrahydrofuran; hexane / 17 h / -40 - 65 °C
5.1: DMAP / CH2Cl2 / 18 h / 20 °C
6.1: 615 mg / AcONa; AcOH / benzene / 45 h / 65 °C
7.1: 70 percent / aq. HClO4 / acetonitrile / 1.25 h / 55 °C
8.1: 91 percent / N-iodosuccinimide; tetrabutylammonium iodide / CH2Cl2 / 1 h / 0 - 20 °C
9.1: 81 percent / Et3SiH; TfOH / acetonitrile; CH2Cl2 / 1 h / -50 - -20 °C
10.1: 77 percent / m-CPBA; NaHCO3 / toluene / 48 h / 20 °C
11.1: KOH / methanol; H2O / 42 h / Heating
11.2: 91 percent / DMAP; EDCI / CH2Cl2 / 0.33 h / 20 °C
12.1: 94 percent / 2,6-lutidine / CH2Cl2 / 0.33 h / 20 °C
13.1: MeLi; TMSCl / diethyl ether / 1.5 h / 0 °C
13.2: diethyl ether / 0.42 h / 0 - 20 °C
13.3: 76 percent / toluene / 40 h / Heating
14.1: 90 percent / DMAP / CH2Cl2 / 0.33 h / 0 - 20 °C
15.1: 73 percent / tBuMgCl / toluene / 0.08 h / 110 °C
With
2,6-dimethylpyridine; triethylsilane; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; potassium hydroxide; N-iodo-succinimide; chloro-trimethyl-silane; perchloric acid; trifluorormethanesulfonic acid; chiral octahydronaphthalene dimethylhydrazone; tert-butylmagnesium chloride; lithium diethylamide; methyllithium; sodium acetate; tetra-(n-butyl)ammonium iodide; sodium hydride; sodium hydrogencarbonate; acetic acid; (+)-10-camphorsulfonic acid; 3-chloro-benzenecarboperoxoic acid; N-tosylimidazole;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; toluene; acetonitrile; benzene;
DOI:10.1002/hlca.200390328