Technology Process of (E)-(R)-1-(4-Methoxy-benzyloxy)-hex-3-en-5-yn-2-ol
There total 7 articles about (E)-(R)-1-(4-Methoxy-benzyloxy)-hex-3-en-5-yn-2-ol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(E)-ethyl 3-((2R,3R)-3-((4-methoxybenzyloxy)methyl)oxiran-2-yl)acrylate;
With
diisobutylaluminium hydride;
at -10 - 20 ℃;
for 1h;
With
thiamine diphosphate;
In
tetrachloromethane;
for 4h;
Heating;
With
lithium diisopropyl amide;
In
tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide;
at -78 ℃;
for 1h;
DOI:10.1016/j.tetlet.2006.03.118
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: NaH / tetrahydrofuran / 6 h / 0 - 20 °C
2.1: EtMgBr / 4 h / 0 - 20 °C
3.1: 79 percent / LAH / tetrahydrofuran / 4 h / 0 - 20 °C
4.1: 78 percent / (+)-DIPT; Ti(Oi-Pr)4; t-BuOOH / CH2Cl2 / 4 h / -25 °C
5.1: (COCl)2; DMSO; TEA / CH2Cl2 / 0.75 h
6.1: benzene / 4 h / 0 - 20 °C
7.1: DIBAL-H / 1 h / -10 - 20 °C
7.2: TPP / CCl4 / 4 h / Heating
7.3: 75 percent / LDA / hexamethylphosphoric acid triamide; tetrahydrofuran / 1 h / -78 °C
With
titanium(IV) isopropylate; tert.-butylhydroperoxide; lithium aluminium tetrahydride; oxalyl dichloride; L-(+)-diisopropyl tartrate; TEA; ethylmagnesium bromide; sodium hydride; diisobutylaluminium hydride; dimethyl sulfoxide;
In
tetrahydrofuran; dichloromethane; benzene;
5.1: Swern oxidation;
DOI:10.1016/j.tetlet.2006.03.118
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: EtMgBr / 4 h / 0 - 20 °C
2.1: 79 percent / LAH / tetrahydrofuran / 4 h / 0 - 20 °C
3.1: 78 percent / (+)-DIPT; Ti(Oi-Pr)4; t-BuOOH / CH2Cl2 / 4 h / -25 °C
4.1: (COCl)2; DMSO; TEA / CH2Cl2 / 0.75 h
5.1: benzene / 4 h / 0 - 20 °C
6.1: DIBAL-H / 1 h / -10 - 20 °C
6.2: TPP / CCl4 / 4 h / Heating
6.3: 75 percent / LDA / hexamethylphosphoric acid triamide; tetrahydrofuran / 1 h / -78 °C
With
titanium(IV) isopropylate; tert.-butylhydroperoxide; lithium aluminium tetrahydride; oxalyl dichloride; L-(+)-diisopropyl tartrate; TEA; ethylmagnesium bromide; diisobutylaluminium hydride; dimethyl sulfoxide;
In
tetrahydrofuran; dichloromethane; benzene;
4.1: Swern oxidation;
DOI:10.1016/j.tetlet.2006.03.118