Technology Process of 3a-(2-benzyloxy-ethyl)-7,8-dimethoxy-4,12-dioxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carbaldehyde
There total 14 articles about 3a-(2-benzyloxy-ethyl)-7,8-dimethoxy-4,12-dioxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carbaldehyde 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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915782-55-7
3a-(2-benzyloxy-ethyl)-7,8-dimethoxy-4,12-dioxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carbaldehyde
- Guidance literature:
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at 20 ℃;
DOI:10.1016/j.tetlet.2006.08.115
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915782-55-7
3a-(2-benzyloxy-ethyl)-7,8-dimethoxy-4,12-dioxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carbaldehyde
- Guidance literature:
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Multi-step reaction with 12 steps
1.1: TsOH / benzene / Heating
2.1: 78 percent / nBuLi; MgBr2 / tetrahydrofuran / -78 - 0 °C
3.1: 75 percent / tBuLi; CuBr*Me2S / tetrahydrofuran / -78 °C
4.1: 85 percent / MeLi / tetrahydrofuran / -78 °C
5.1: 84 percent / Zn(Cu) / tetrahydrofuran / -45 °C
6.1: 87 percent / nBu3SnH; Et3B / benzene / Heating
7.1: 85 percent / p-TsOH / acetone / 20 °C
8.1: 88 percent / benzene / 20 °C
9.1: pyrrolidine; aq. AcOH / propan-2-ol
10.1: iBuOCOCl; Et3N / tetrahydrofuran / 0 °C
11.1: NaH / dimethylformamide / 0 °C
11.2: KHMDS; TMSCl / tetrahydrofuran / -78 °C
11.3: O2 / Pd(OAc)2 / dimethylformamide / 60 °C
12.1: 90 percent / 20 °C
With
pyrrolidine; n-butyllithium; zinc copper; copper(I) bromide dimethylsulfide complex; triethyl borane; methyllithium; tert.-butyl lithium; tri-n-butyl-tin hydride; sodium hydride; toluene-4-sulfonic acid; acetic acid; triethylamine; magnesium bromide; isobutyl chloroformate;
In
tetrahydrofuran; N,N-dimethyl-formamide; isopropyl alcohol; acetone; benzene;
5.1: Marino annulation reaction / 11.3: Saegusa reaction;
DOI:10.1016/j.tetlet.2006.08.115
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915782-55-7
3a-(2-benzyloxy-ethyl)-7,8-dimethoxy-4,12-dioxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carbaldehyde
- Guidance literature:
-
Multi-step reaction with 11 steps
1.1: 78 percent / nBuLi; MgBr2 / tetrahydrofuran / -78 - 0 °C
2.1: 75 percent / tBuLi; CuBr*Me2S / tetrahydrofuran / -78 °C
3.1: 85 percent / MeLi / tetrahydrofuran / -78 °C
4.1: 84 percent / Zn(Cu) / tetrahydrofuran / -45 °C
5.1: 87 percent / nBu3SnH; Et3B / benzene / Heating
6.1: 85 percent / p-TsOH / acetone / 20 °C
7.1: 88 percent / benzene / 20 °C
8.1: pyrrolidine; aq. AcOH / propan-2-ol
9.1: iBuOCOCl; Et3N / tetrahydrofuran / 0 °C
10.1: NaH / dimethylformamide / 0 °C
10.2: KHMDS; TMSCl / tetrahydrofuran / -78 °C
10.3: O2 / Pd(OAc)2 / dimethylformamide / 60 °C
11.1: 90 percent / 20 °C
With
pyrrolidine; n-butyllithium; zinc copper; copper(I) bromide dimethylsulfide complex; triethyl borane; methyllithium; tert.-butyl lithium; tri-n-butyl-tin hydride; sodium hydride; toluene-4-sulfonic acid; acetic acid; triethylamine; magnesium bromide; isobutyl chloroformate;
In
tetrahydrofuran; N,N-dimethyl-formamide; isopropyl alcohol; acetone; benzene;
4.1: Marino annulation reaction / 10.3: Saegusa reaction;
DOI:10.1016/j.tetlet.2006.08.115