(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

Base Information

Chemical Name:(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol
CAS No.:449174-11-2
Molecular Formula:C₂₃H₃₈O₅
Molecular Weight:394.552
Hs Code.:

Synonyms:(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

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Chemical Property of (2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

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Technology Process of (2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

There total 8 articles about (2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol 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: 82.0%

: 449174-26-9
(2R,3R,4S,5S,6R,7R)-3,5-isopropylidendioxy-7-(benzyloxy-diisopropyl-silanyloxy)-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonane

: 449174-11-2
(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

Guidance literature:: With pyridine; pyridine hydrogenfluoride; In acetonitrile; at 20 ℃; for 3h;
DOI:10.1021/ol026046+

Reference yield:

: (2R,3R,4S,5S,6R,7RS)-3,5-isopropylidenedioxy-7-(diisopropyl-silanyloxy-methoxypolystyrene)-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonane

: 449174-11-2
(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

: 449174-31-6
(2R,3R,4S,5R,6S,7S)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃;
DOI:10.1021/ol026046+

Reference yield:

: 213385-33-2
(R)-1-((4-methoxybenzyl)oxy)-2-methylpentan-3-one

: 449174-11-2
(2R,3R,4S,5R,6S,7R)-3,5-isopropylidendioxy-1-(4-methoxy-benzyloxy)-2,4,6-trimethylnonan-7-ol

Guidance literature:: Multi-step reaction with 5 steps

1.1: dicyclohexylboron chloride; Et₃N / diethyl ether / 2 h / 0 °C

1.2: 350 mg / diethyl ether / -78 - -27 °C

2.1: 51 percent / SmI₂ / tetrahydrofuran / -20 - 0 °C

3.1: 44 percent / LiBH₄ / tetrahydrofuran / 16 h / 20 °C

4.1: 84 percent / PPTS / CH₂Cl₂ / 16 h / 20 °C

5.1: 82 percent / HF*pyridine; pyridine / acetonitrile / 3 h / 20 °C

With pyridine; lithium borohydride; samarium diiodide; dicyclohexylboron chloride; pyridinium p-toluenesulfonate; pyridine hydrogenfluoride; triethylamine; In tetrahydrofuran; diethyl ether; dichloromethane; acetonitrile;
DOI:10.1021/ol026046+