(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

Base Information

Chemical Name:(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione
CAS No.:134453-15-9
Molecular Formula:C₁₈H₂₀O₅
Molecular Weight:316.354
Hs Code.:

Synonyms:(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

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Chemical Property of (1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

Chemical Property:

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Technology Process of (1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

There total 2 articles about (1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione 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:

: 6379-72-2
1,2-dimethoxy-4-(E)-propenylbenzene

: 2880-58-2
2-methoxy-1,4-benzoquinone

: 134453-15-9
(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

Guidance literature:: With titanium(IV) isopropylate; (4R-trans)-2-methyl-2-phenyl-α,α,α',α'-tetraphenyl-1,3-dioxolan-4,5-dimethanol; titanium tetrachloride; In dichloromethane; at -78 ℃; Yield given;

Reference yield:

: 6379-72-2
1,2-dimethoxy-4-(E)-propenylbenzene

: 2880-58-2
2-methoxy-1,4-benzoquinone

: 134453-15-9
(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

: 134453-23-9
(2S,3S)-6-methoxy-2-(3,4-dimethoxyphenyl)-3-methyl-2,3-dihydro-5-benzofuran

: 117471-16-6,134360-72-8,134453-23-9,134453-24-0
(2R,3R)-2-(3,4-Dimethoxy-phenyl)-6-methoxy-3-methyl-2,3-dihydro-benzofuran-5-ol

: (1R,6S,7S,8S)-8-(3,4-Dimethoxy-phenyl)-3-methoxy-7-methyl-bicyclo[4.2.0]oct-3-ene-2,5-dione

Guidance literature:: With titanium(IV) isopropylate; (+)-C₃₆H₃₂O₄; titanium tetrachloride; In dichloromethane; at -78 ℃; for 2h; Product distribution; asymmetric reactions of 2-methoxybenzoquinones with propenylbenzenes, promoted by Ti(IV)-TADDOLates; regioselectivity and enantioselectivity; enantiomeric excess; rearrangement of cyclobutanes formed to benzofurans;
DOI:10.1021/jo982164s

Reference yield: 94.0%

: 134453-15-9
(1R,6R,7R,8R)-3-methoxy-8-(3,4-dimethoxyphenyl)-7-methylbicyclo<4.2.0>oct-3-en-2,5-dione

: 134453-23-9
(2S,3S)-6-methoxy-2-(3,4-dimethoxyphenyl)-3-methyl-2,3-dihydro-5-benzofuran

Guidance literature:: With titanium(IV) isopropylate; (+)-C₃₆H₃₂O₄; titanium tetrachloride; In dichloromethane; 1.) -78 deg C, 2 h, 2.) -78 deg C to -10 deg C, 4 h;
DOI:10.1021/jo982164s