(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

Base Information

Chemical Name:(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde
CAS No.:470470-68-9
Molecular Formula:C₂₈H₃₈O₅
Molecular Weight:454.607
Hs Code.:

Synonyms:(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

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Chemical Property of (S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

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Technology Process of (S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

There total 12 articles about (S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde 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:

Reference yield: 100.0%

: 470470-83-8
(3S,5R,7S)-3,9-dibenzyloxy-5,7-O-isopropylidene-2,2-dimethylnonane-1,5,7-triol

: 470470-68-9
(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; triethylamine; at -78 ℃;
DOI:10.1016/S0040-4039(02)01054-7

Reference yield:

: 147252-93-5
(3S)-3-(benzyloxy)-2,2-dimethyl-4-penten-1-ol

: 470470-68-9
(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

Guidance literature:: Multi-step reaction with 8 steps

1.1: 97 percent / imid.; DMAP; TBAI / 0.5 h / 20 °C

2.1: BH₃ / tetrahydrofuran / 18 h / -18 - 20 °C

2.2: 67 percent / NaOH; aq. H₂O₂ / 3 h / 50 °C

3.1: (COCl)2; DMSO; Et₃N / CH₂Cl₂ / 0.33 h / -78 °C

4.1: 49 percent / LDA / 0.03 h / -78 °C

5.1: 95 percent / Me₄NBH(OAc)3 / acetic acid; acetonitrile / 18 h / -20 °C

6.1: 74 percent / PPTS / 18 h / 20 °C

7.1: 95 percent / TBAF / tetrahydrofuran / 18 h / 20 °C

8.1: 100 percent / (COCl)2; DMSO; Et₃N / -78 °C

With 1H-imidazole; dmap; oxalyl dichloride; borane; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; dimethyl sulfoxide; triethylamine; tetramethylammonium triacetoxyborohydride; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; acetic acid; acetonitrile;
DOI:10.1016/S0040-4039(02)01054-7

Reference yield:

: 470470-82-7
((S)-3-benzyloxy-2,2-dimethyl-pent-4-enyloxy)-tert-butyl-dimethyl-silane

: 470470-68-9
(S)-3-Benzyloxy-4-[(4R,6S)-6-(2-benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-2,2-dimethyl-butyraldehyde

Guidance literature:: Multi-step reaction with 7 steps

1.1: BH₃ / tetrahydrofuran / 18 h / -18 - 20 °C

1.2: 67 percent / NaOH; aq. H₂O₂ / 3 h / 50 °C

2.1: (COCl)2; DMSO; Et₃N / CH₂Cl₂ / 0.33 h / -78 °C

3.1: 49 percent / LDA / 0.03 h / -78 °C

4.1: 95 percent / Me₄NBH(OAc)3 / acetic acid; acetonitrile / 18 h / -20 °C

5.1: 74 percent / PPTS / 18 h / 20 °C

6.1: 95 percent / TBAF / tetrahydrofuran / 18 h / 20 °C

7.1: 100 percent / (COCl)2; DMSO; Et₃N / -78 °C

With oxalyl dichloride; borane; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; dimethyl sulfoxide; triethylamine; tetramethylammonium triacetoxyborohydride; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; acetic acid; acetonitrile;
DOI:10.1016/S0040-4039(02)01054-7