Technology Process of (2E,4Z,8Z,10E,14E,18E,20Z)-(6R,17S)-20-Carboxymethyl-6-methoxy-2,5,17-trimethyl-docosa-2,4,8,10,14,18,20-heptaenedioic acid 1-tert-butyl ester 22-(tert-butyl-diphenyl-silanyloxymethyl) ester
There total 17 articles about (2E,4Z,8Z,10E,14E,18E,20Z)-(6R,17S)-20-Carboxymethyl-6-methoxy-2,5,17-trimethyl-docosa-2,4,8,10,14,18,20-heptaenedioic acid 1-tert-butyl ester 22-(tert-butyl-diphenyl-silanyloxymethyl) ester which
guide to synthetic route it.
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synthetic route:
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808771-36-0
(2E,4Z,8Z,10E,14E,18E,20Z)-(6R,17S)-20-Carboxymethyl-6-methoxy-2,5,17-trimethyl-docosa-2,4,8,10,14,18,20-heptaenedioic acid 1-tert-butyl ester 22-(tert-butyl-diphenyl-silanyloxymethyl) ester
- Guidance literature:
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Multi-step reaction with 10 steps
1.1: 92 percent / Et3N / PdCl2(PPh3)2 / methanol
2.1: MsCl; iPr2EtN; 4-DMAP / CH2Cl2
2.2: 81 percent / dimethylformamide
3.1: 86 percent / BuLi; HMPA / tetrahydrofuran
4.1: DIBAH / tetrahydrofuran
4.2: 70 percent / NaBH4 / tetrahydrofuran; H2O
5.1: Dess-Martin reagent / benzene; CH2Cl2
6.1: 80 percent / benzene
7.1: 82 percent / HCl / H2O; tetrahydrofuran
8.1: MnO2 / benzene; CH2Cl2
8.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
8.3: 40 percent / Et3N / tetrahydrofuran
9.1: Dess-Martin reagent / benzene; CH2Cl2
9.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
With
hydrogenchloride; N,N,N,N,N,N-hexamethylphosphoric triamide; dmap; manganese(IV) oxide; n-butyllithium; diisobutylaluminium hydride; Dess-Martin periodane; methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine;
bis-triphenylphosphine-palladium(II) chloride;
In
tetrahydrofuran; methanol; dichloromethane; water; benzene;
1.1: Suzuki coupling;
DOI:10.1016/j.tetlet.2004.09.162
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808771-36-0
(2E,4Z,8Z,10E,14E,18E,20Z)-(6R,17S)-20-Carboxymethyl-6-methoxy-2,5,17-trimethyl-docosa-2,4,8,10,14,18,20-heptaenedioic acid 1-tert-butyl ester 22-(tert-butyl-diphenyl-silanyloxymethyl) ester
- Guidance literature:
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Multi-step reaction with 11 steps
1.1: 92 percent / Et3N / PdCl2(PPh3)2 / methanol
2.1: MsCl; iPr2EtN; 4-DMAP / CH2Cl2
2.2: 81 percent / dimethylformamide
3.1: 86 percent / BuLi; HMPA / tetrahydrofuran
4.1: DIBAH / tetrahydrofuran
4.2: 70 percent / NaBH4 / tetrahydrofuran; H2O
5.1: Dess-Martin reagent / benzene; CH2Cl2
6.1: 80 percent / benzene
7.1: 82 percent / HCl / H2O; tetrahydrofuran
8.1: MnO2 / benzene; CH2Cl2
8.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
8.3: 40 percent / Et3N / tetrahydrofuran
9.1: Dess-Martin reagent / benzene; CH2Cl2
9.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
With
hydrogenchloride; N,N,N,N,N,N-hexamethylphosphoric triamide; dmap; manganese(IV) oxide; n-butyllithium; diisobutylaluminium hydride; Dess-Martin periodane; methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine;
bis-triphenylphosphine-palladium(II) chloride;
In
tetrahydrofuran; methanol; dichloromethane; water; benzene;
2.1: Suzuki coupling;
DOI:10.1016/j.tetlet.2004.09.162
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-
808771-36-0
(2E,4Z,8Z,10E,14E,18E,20Z)-(6R,17S)-20-Carboxymethyl-6-methoxy-2,5,17-trimethyl-docosa-2,4,8,10,14,18,20-heptaenedioic acid 1-tert-butyl ester 22-(tert-butyl-diphenyl-silanyloxymethyl) ester
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: 86 percent / BuLi; HMPA / tetrahydrofuran
2.1: DIBAH / tetrahydrofuran
2.2: 70 percent / NaBH4 / tetrahydrofuran; H2O
3.1: Dess-Martin reagent / benzene; CH2Cl2
4.1: 80 percent / benzene
5.1: 82 percent / HCl / H2O; tetrahydrofuran
6.1: MnO2 / benzene; CH2Cl2
6.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
6.3: 40 percent / Et3N / tetrahydrofuran
7.1: Dess-Martin reagent / benzene; CH2Cl2
7.2: NaClO2; NaH2PO4; 2-methyl-2-butene / tetrahydrofuran; 2-methyl-propan-2-ol; H2O
With
hydrogenchloride; N,N,N,N,N,N-hexamethylphosphoric triamide; manganese(IV) oxide; n-butyllithium; diisobutylaluminium hydride; Dess-Martin periodane;
In
tetrahydrofuran; dichloromethane; water; benzene;
1.1: Wittig reaction;
DOI:10.1016/j.tetlet.2004.09.162