(R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide

Base Information

Chemical Name:(R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide
CAS No.:146236-41-1
Molecular Formula:C₂₄H₂₈O₈
Molecular Weight:444.482
Hs Code.:

Synonyms:(R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide

Chemical Property:

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Technology Process of (R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide

There total 2 articles about (R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide 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: 33.0%

2N-HCl: 2N-HCl

: 86-81-7
3,4,5-trimethoxy-benzaldehyde

: 76763-88-7
(R)-dihydro-4-(3,4,5-trimethoxybenzyl)furan-2(3H)-one

: 146236-41-1
(R)-(E)-2-(3,4,5-trimethoxybenzylidene)-3-[1-(3,4,5-trimethoxyphenyl)-methyl]butanolide

Guidance literature:: In methanol; toluene;

Reference yield:

: 86-81-7
3,4,5-trimethoxy-benzaldehyde

: 76763-88-7
(R)-dihydro-4-(3,4,5-trimethoxybenzyl)furan-2(3H)-one

: 103047-73-0,110397-80-3,143564-16-3,146236-41-1,146236-43-3
(R)-4-(3,4,5-Trimethoxy-benzyl)-3-[1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-dihydro-furan-2-one

Guidance literature:: Multistep reaction;
DOI:10.1016/S0040-4039(00)74679-X

Reference yield:

: 103047-73-0,110397-80-3,143564-16-3,146236-41-1,146236-43-3
(R)-4-(3,4,5-Trimethoxy-benzyl)-3-[1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-dihydro-furan-2-one

: 7432-28-2,7488-47-3,68225-19-4,114422-18-3,130695-97-5,130695-99-7,130696-00-3,130696-01-4,135095-48-6,150197-51-6
isoschizandrin

Guidance literature:: Multi-step reaction with 6 steps

1: Fe(ClO₄)3, trifluoroacetic acid / CH₂Cl₂

2: DIBAH / tetrahydrofuran / 0 °C

3: t-BuOOH, VO(acac)2 / CH₂Cl₂

4: Na, liq. NH₃ / -78 °C

5: pyridine

6: LiAlH₄ / tetrahydrofuran / Heating

With pyridine; tert.-butylhydroperoxide; lithium aluminium tetrahydride; bis(acetylacetonate)oxovanadium; ammonia; sodium; diisobutylaluminium hydride; iron(III) perchlorate; trifluoroacetic acid; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4039(00)74679-X