6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

Base Information

Chemical Name:6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]
CAS No.:1291094-34-2
Molecular Formula:C₅₄H₅₆O₇
Molecular Weight:817.034
Hs Code.:

Synonyms:6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

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Chemical Property of 6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

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Technology Process of 6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

There total 6 articles about 6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane] 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:

: [2-methoxy-5-[(3R,4S,5R,6R)-3,4,5-tribenzyloxy-6-(benzyloxymethyl)-2-hydroxytetrahydropyran-2-yl]phenyl]-spiro[chromane-2,1'-cyclobutane]-6-yl-methanone

: 1291094-34-2
6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

Guidance literature:: [2-methoxy-5-[(3R,4S,5R,6R)-3,4,5-tribenzyloxy-6-(benzyloxymethyl)-2-hydroxytetrahydropyran-2-yl]phenyl]-spiro[chromane-2,1'-cyclobutane]-6-yl-methanone; With triethylsilane; boron trifluoride diethyl etherate; In 1,1-dichloroethane; acetonitrile; at -30 - 25 ℃; for 21h;

With water; sodium hydrogencarbonate; In 1,1-dichloroethane; acetonitrile;

Reference yield:

: (3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-2-(3-[1,3]dioxolan-2-yl-4-methoxy-phenyl)-tetrahydro-pyran-2-ol

: 1291094-34-2
6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrogenchloride; water / tetrahydrofuran / 16 h

2.1: n-butyllithium / tetrahydrofuran / -78 °C

2.2: -78 °C

3.1: boron trifluoride diethyl etherate; triethylsilane / 1,1-dichloroethane; acetonitrile / 21 h / -30 - 25 °C

With hydrogenchloride; triethylsilane; n-butyllithium; boron trifluoride diethyl etherate; water; In tetrahydrofuran; 1,1-dichloroethane; acetonitrile;

Reference yield:

: 25016-01-7
5-bromo-2-methoxybenzaldehyde

: 1291094-34-2
6-(2-methoxy-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)benzyl)spiro[chroman-2,1'-cyclobutane]

Guidance literature:: Multi-step reaction with 5 steps

1.1: toluene-4-sulfonic acid / toluene / 2 h

2.1: n-butyllithium / tetrahydrofuran / -78 °C

2.2: -78 °C

3.1: hydrogenchloride; water / tetrahydrofuran / 16 h

4.1: n-butyllithium / tetrahydrofuran / -78 °C

4.2: -78 °C

5.1: boron trifluoride diethyl etherate; triethylsilane / 1,1-dichloroethane; acetonitrile / 21 h / -30 - 25 °C

With hydrogenchloride; triethylsilane; n-butyllithium; boron trifluoride diethyl etherate; water; toluene-4-sulfonic acid; In tetrahydrofuran; 1,1-dichloroethane; toluene; acetonitrile;