(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

Base Information

Chemical Name:(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one
CAS No.:223786-86-5
Molecular Formula:C₂₆H₄₀O₅Si
Molecular Weight:460.686
Hs Code.:

Synonyms:(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

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Chemical Property of (1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

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Technology Process of (1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

There total 11 articles about (1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one 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: 89.0%

: 126889-55-2
diethyl(isopropyl)silyl trifluoromethanesulfonate

: 223786-85-4
(1R,4S,5R,6S)-4-Allyl-4-hydroxy-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

: 223786-86-5
(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 23 ℃; for 6.5h;
DOI:10.1016/S0040-4039(99)00040-4

Reference yield:

: 120-74-1,934-30-5,1195-12-6,20507-53-3,58001-99-3,67999-50-2,67999-53-5,74645-32-2,108266-75-7
(1S,2S,4S)-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid

: 223786-86-5
(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

Guidance literature:: Multi-step reaction with 10 steps

1: 97 percent / LiAlH₄ / diethyl ether / 1.5 h / 0 °C

2: 91 percent / mCPBA / CH₂Cl₂ / 1.5 h / -10 - 23 °C

3: 99 percent / Dess-Martin reagent / CH₂Cl₂ / 17 h / 23 °C

4: 98 percent / SmI₂ / tetrahydrofuran; methanol / 0.67 h / -78 °C

5: 92 percent / NaH,; TBAI / dimethylformamide / 2.5 h / 23 °C

6: 95 percent / MMPP / aq. ethanol / 2 h / 23 °C

7: 86 percent / KHMDS,; MoOPD / tetrahydrofuran / 7.5 h / -78 °C

8: 100 percent / Dess-Martin reagent / CH₂Cl₂ / 18 h / 23 °C

9: 98 percent / LiClO₄ / diethyl ether / 22 h / 23 °C

10: 89 percent / i-Pr₂NEt / CH₂Cl₂ / 6.5 h / 23 °C

With lithium aluminium tetrahydride; samarium diiodide; MoOPD; lithium perchlorate; tetra-(n-butyl)ammonium iodide; potassium hexamethylsilazane; sodium hydride; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; In tetrahydrofuran; methanol; diethyl ether; ethanol; dichloromethane; N,N-dimethyl-formamide; 1: Reduction / 2: Cyclization / 3: Oxidation / 4: Reduction / 5: Alkylation / 6: Oxidation / 7: Oxidation / 8: Oxidation / 9: Alkylation / 10: Alkylation;
DOI:10.1016/S0040-4039(99)00040-4

Reference yield:

: 95-12-5,13360-81-1,15507-06-9,42070-72-4,67505-46-8,67671-05-0,67671-06-1,69831-10-3,42070-82-6
(-)-(1S,2S,4S)-bicyclo[2.2.1]hept-5-en-2-yl methanol

: 223786-86-5
(1R,4S,5R,6S)-4-Allyl-4-(diethyl-isopropyl-silanyloxy)-6-(4-methoxy-benzyloxymethyl)-2-oxa-bicyclo[3.2.1]octan-3-one

Guidance literature:: Multi-step reaction with 9 steps

1: 91 percent / mCPBA / CH₂Cl₂ / 1.5 h / -10 - 23 °C

2: 99 percent / Dess-Martin reagent / CH₂Cl₂ / 17 h / 23 °C

3: 98 percent / SmI₂ / tetrahydrofuran; methanol / 0.67 h / -78 °C

4: 92 percent / NaH,; TBAI / dimethylformamide / 2.5 h / 23 °C

5: 95 percent / MMPP / aq. ethanol / 2 h / 23 °C

6: 86 percent / KHMDS,; MoOPD / tetrahydrofuran / 7.5 h / -78 °C

7: 100 percent / Dess-Martin reagent / CH₂Cl₂ / 18 h / 23 °C

8: 98 percent / LiClO₄ / diethyl ether / 22 h / 23 °C

9: 89 percent / i-Pr₂NEt / CH₂Cl₂ / 6.5 h / 23 °C

With samarium diiodide; MoOPD; lithium perchlorate; tetra-(n-butyl)ammonium iodide; potassium hexamethylsilazane; sodium hydride; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; In tetrahydrofuran; methanol; diethyl ether; ethanol; dichloromethane; N,N-dimethyl-formamide; 1: Cyclization / 2: Oxidation / 3: Reduction / 4: Alkylation / 5: Oxidation / 6: Oxidation / 7: Oxidation / 8: Alkylation / 9: Alkylation;
DOI:10.1016/S0040-4039(99)00040-4