Technology Process of (1'E,1''R,3'S,4S,4'Z,5S,6S)-5-(tert-butyldimethylsilyloxymethyl)-4-(1',3'-dimethylhexa-1',4'-dienyl)-6-[2''-(p-methoxybenzyloxy)-1''-methylethyl]-2,2-dimethyl-[1,3]dioxane
There total 10 articles about (1'E,1''R,3'S,4S,4'Z,5S,6S)-5-(tert-butyldimethylsilyloxymethyl)-4-(1',3'-dimethylhexa-1',4'-dienyl)-6-[2''-(p-methoxybenzyloxy)-1''-methylethyl]-2,2-dimethyl-[1,3]dioxane which
guide to synthetic route it.
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synthetic route:
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346708-32-5
(1'E,1''R,3'S,4S,4'Z,5S,6S)-5-(tert-butyldimethylsilyloxymethyl)-4-(1',3'-dimethylhexa-1',4'-dienyl)-6-[2''-(p-methoxybenzyloxy)-1''-methylethyl]-2,2-dimethyl-[1,3]dioxane
- Guidance literature:
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Multi-step reaction with 10 steps
1.1: LDA / tetrahydrofuran / -78 °C
2.1: DIBAL-H / diethyl ether / 0 °C
3.1: pyridine / 0 °C
4.1: 95 percent / CH2Cl2 / 0 °C
5.1: (c-hex)2BCl; Et3N / diethyl ether / -78 - 0 °C
5.2: diethyl ether / -78 - -20 °C
6.1: Et2BOMe; NaBH4 / methanol; tetrahydrofuran / -78 °C
7.1: 100 percent / PPTS / CH2Cl2 / 0 - 20 °C
8.1: 72 percent / 10 percent NaOH / methanol / 8 h / Heating
9.1: 85 percent / pyridine / CH2Cl2 / 0 °C
10.1: n-BuLi / tetrahydrofuran / -78 - 0 °C
10.2: 93 percent / tetrahydrofuran / -78 - 20 °C
With
pyridine; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; diethyl methoxy borane; dicyclohexylboron chloride; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; triethylamine; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane;
4.1: Dess-Martin periodinane oxidation / 5.1: Paterson reaction / 9.1: Dess-Martin periodinane oxidation / 10.2: Wittig reaction;
DOI:10.1016/S0040-4039(01)00401-4
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346708-32-5
(1'E,1''R,3'S,4S,4'Z,5S,6S)-5-(tert-butyldimethylsilyloxymethyl)-4-(1',3'-dimethylhexa-1',4'-dienyl)-6-[2''-(p-methoxybenzyloxy)-1''-methylethyl]-2,2-dimethyl-[1,3]dioxane
- Guidance literature:
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Multi-step reaction with 8 steps
1.1: pyridine / 0 °C
2.1: 95 percent / CH2Cl2 / 0 °C
3.1: (c-hex)2BCl; Et3N / diethyl ether / -78 - 0 °C
3.2: diethyl ether / -78 - -20 °C
4.1: Et2BOMe; NaBH4 / methanol; tetrahydrofuran / -78 °C
5.1: 100 percent / PPTS / CH2Cl2 / 0 - 20 °C
6.1: 72 percent / 10 percent NaOH / methanol / 8 h / Heating
7.1: 85 percent / pyridine / CH2Cl2 / 0 °C
8.1: n-BuLi / tetrahydrofuran / -78 - 0 °C
8.2: 93 percent / tetrahydrofuran / -78 - 20 °C
With
pyridine; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; diethyl methoxy borane; dicyclohexylboron chloride; pyridinium p-toluenesulfonate; triethylamine;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane;
2.1: Dess-Martin periodinane oxidation / 3.1: Paterson reaction / 7.1: Dess-Martin periodinane oxidation / 8.2: Wittig reaction;
DOI:10.1016/S0040-4039(01)00401-4
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346708-32-5
(1'E,1''R,3'S,4S,4'Z,5S,6S)-5-(tert-butyldimethylsilyloxymethyl)-4-(1',3'-dimethylhexa-1',4'-dienyl)-6-[2''-(p-methoxybenzyloxy)-1''-methylethyl]-2,2-dimethyl-[1,3]dioxane
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: DIBAL-H / diethyl ether / 0 °C
2.1: pyridine / 0 °C
3.1: 95 percent / CH2Cl2 / 0 °C
4.1: (c-hex)2BCl; Et3N / diethyl ether / -78 - 0 °C
4.2: diethyl ether / -78 - -20 °C
5.1: Et2BOMe; NaBH4 / methanol; tetrahydrofuran / -78 °C
6.1: 100 percent / PPTS / CH2Cl2 / 0 - 20 °C
7.1: 72 percent / 10 percent NaOH / methanol / 8 h / Heating
8.1: 85 percent / pyridine / CH2Cl2 / 0 °C
9.1: n-BuLi / tetrahydrofuran / -78 - 0 °C
9.2: 93 percent / tetrahydrofuran / -78 - 20 °C
With
pyridine; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; diethyl methoxy borane; dicyclohexylboron chloride; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; triethylamine;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane;
3.1: Dess-Martin periodinane oxidation / 4.1: Paterson reaction / 8.1: Dess-Martin periodinane oxidation / 9.2: Wittig reaction;
DOI:10.1016/S0040-4039(01)00401-4