(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

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Chemical Name:(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran
CAS No.:410095-21-5
Molecular Formula:C₄₇H₆₆O₅Si₂
Molecular Weight:767.209
Hs Code.:

Synonyms:(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

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Chemical Property of (S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

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Technology Process of (S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

There total 13 articles about (S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran 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:

: 302554-87-6
(S)-2-allyloxy-4-methyl-1-trityloxy-4-pentene

: 410095-21-5
(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

Guidance literature:: Multi-step reaction with 5 steps

1: 95 percent / Grubbs' catalyst / CH₂Cl₂

2: 81 percent / TFA / methanol

3: 85 percent / DIAD; PPh₃

4: 45 percent / (NH₄)6Mo₇O₂₄; H₂O₂ / ethanol

5: KHMDS / 1,2-dimethoxy-ethane

With ammonium heptamolybdate; di-isopropyl azodicarboxylate; dihydrogen peroxide; potassium hexamethylsilazane; triphenylphosphine; trifluoroacetic acid; Grubbs catalyst first generation; In methanol; 1,2-dimethoxyethane; ethanol; dichloromethane; 3: Mitsunobu coupling / 5: Julia/Kocienski coupling;
DOI:10.1016/S0040-4039(01)02120-7

Reference yield:

: 66335-71-5
(S)-4-methyl-1-trityloxymethyl-3,6-dihydro-2H-pyran

: 410095-21-5
(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

Guidance literature:: Multi-step reaction with 4 steps

1: 81 percent / TFA / methanol

2: 85 percent / DIAD; PPh₃

3: 45 percent / (NH₄)6Mo₇O₂₄; H₂O₂ / ethanol

4: KHMDS / 1,2-dimethoxy-ethane

With ammonium heptamolybdate; di-isopropyl azodicarboxylate; dihydrogen peroxide; potassium hexamethylsilazane; triphenylphosphine; trifluoroacetic acid; In methanol; 1,2-dimethoxyethane; ethanol; 2: Mitsunobu coupling / 4: Julia/Kocienski coupling;
DOI:10.1016/S0040-4039(01)02120-7

Reference yield:

: 289472-96-4
(2S)-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-methanol

: 410095-21-5
(S)-2-[(E)-(3S,4R)-8-(tert-Butyl-diphenyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-oct-1-en-6-ynyl]-4-methyl-3,6-dihydro-2H-pyran

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / DIAD; PPh₃

2: 45 percent / (NH₄)6Mo₇O₂₄; H₂O₂ / ethanol

3: KHMDS / 1,2-dimethoxy-ethane

With ammonium heptamolybdate; di-isopropyl azodicarboxylate; dihydrogen peroxide; potassium hexamethylsilazane; triphenylphosphine; In 1,2-dimethoxyethane; ethanol; 1: Mitsunobu coupling / 3: Julia/Kocienski coupling;
DOI:10.1016/S0040-4039(01)02120-7