(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

Base Information

Chemical Name:(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal
CAS No.:496917-99-8
Molecular Formula:C₄₂H₆₂O₆Si₂
Molecular Weight:719.122
Hs Code.:

(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

Synonyms:(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

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Chemical Property of (E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

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Technology Process of (E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

There total 7 articles about (E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal 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: 94.0%

: 496918-23-1
(2R,5S,6S,9R)-2-tert-Butyl-6-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dihydroxy-2-methyl-hex-1-enyl]-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-1,3-dioxa-spiro[4.5]dec-7-en-4-one

: 496917-99-8
(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

Guidance literature:: With periodic acid; In tetrahydrofuran; at 20 ℃; for 2h;
DOI:10.3987/com-02-s(m)17

Reference yield:

: 146983-25-7
(E)-3-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-2-methyl-acrylic acid ethyl ester

: 496917-99-8
(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

Guidance literature:: Multi-step reaction with 6 steps

1: 82 percent / DIBAL-H / CH₂Cl₂ / -78 °C

2: 92 percent / oxalyl chloride; DMSO; triethylamine / CH₂Cl₂ / 1 h / -78 °C

3: toluene / 5 h / -78 °C

4: 99 percent / 2,6-lutidine / CH₂Cl₂ / 0.25 h / 0 °C

5: 71 percent / (DHQD)2-PHAL; Ad-mix β; OsO4 / 2-methyl-propan-2-ol; H2O; toluene / 24 h

6: 94 percent / periodic acid / tetrahydrofuran / 2 h / 20 °C

With 2,6-dimethylpyridine; osmium(VIII) oxide; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; periodic acid; 1,4-bis(9-O-dihydroquinidine)phthalazine; triethylamine; In tetrahydrofuran; dichloromethane; water; toluene; tert-butyl alcohol; 2: Swern oxidation / 5: Sharpless dihydroxylation;
DOI:10.3987/com-02-s(m)17

Reference yield:

: 497065-29-9
(2R,2R,4S,5R)-spiro-1-[(tert-butyldiphenylsilyloxy)methyl]-2-methyl-5-(2-methylpropen-1-ol)cyclohex-1-ene-(4,5')-2'-tert-butyl-1',3'-dioxolan-4'-ol

: 496917-99-8
(E)-(S)-5-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pent-4-enal

Guidance literature:: Multi-step reaction with 5 steps

1: 92 percent / oxalyl chloride; DMSO; triethylamine / CH₂Cl₂ / 1 h / -78 °C

2: toluene / 5 h / -78 °C

3: 99 percent / 2,6-lutidine / CH₂Cl₂ / 0.25 h / 0 °C

4: 71 percent / (DHQD)2-PHAL; Ad-mix β; OsO4 / 2-methyl-propan-2-ol; H2O; toluene / 24 h

5: 94 percent / periodic acid / tetrahydrofuran / 2 h / 20 °C

With 2,6-dimethylpyridine; osmium(VIII) oxide; oxalyl dichloride; dimethyl sulfoxide; periodic acid; 1,4-bis(9-O-dihydroquinidine)phthalazine; triethylamine; In tetrahydrofuran; dichloromethane; water; toluene; tert-butyl alcohol; 1: Swern oxidation / 4: Sharpless dihydroxylation;
DOI:10.3987/com-02-s(m)17