(-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

Base Information

Chemical Name:(-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol
CAS No.:96291-98-4
Molecular Formula:C₂₁H₂₆O₄
Molecular Weight:342.435
Hs Code.:

Synonyms:(-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

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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 (-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

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Technology Process of (-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

There total 13 articles about (-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-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: 100.0%

: 96249-68-2,96346-09-7
(+/-)-5'-benzyloxy-8'-ethoxy-2,2,5-trimethyl-3',4'-dihydrospiro<1,3-dioxolan-4,2'(1'H)-naphthalene>

: 96249-69-3,96291-98-4
(+/-)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

Guidance literature:: With Bio-Rad AG 50W-X₄ (H⁺); In methanol; for 0.5h; Heating;
DOI:10.1071/CH9850189

Reference yield: 100.0%

: 96346-09-7
(+)-(4R,5S)-5'-benzyloxy-8'-ethoxy-2,2,5-trimethyl-3',4'-dihydrospiro<1,3-dioxolan-4,2'(1'H)-naphthalene>

: 96291-98-4
(-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

Guidance literature:: With Bio-Rad AG 50W-X₄ (H⁺); In methanol; for 0.5h; Heating;
DOI:10.1071/CH9850189

Reference yield:

: 90744-27-7
(-)-(2R,1'S)-8-benzyloxy-2-(1'-hydroxyethyl)-5-methoxy-1,2,3,4-tetrahydronaphthalen-2-ol

: 96291-98-4
(-)-(2R,1'S)-5-benzyloxy-8-ethoxy-2-(1'-hydroxyethyl)-1,2,3,4-tetrahydronaphthalen-2-ol

Guidance literature:: Multi-step reaction with 6 steps

1: 99 percent / p-toluenesulfonic acid / dimethylformamide / 1.5 h

2: 100 percent / H₂, CH₃COOH / 10percent Pd/C / ethyl acetate / 48 h / 760 Torr / Ambient temperature

3: KOH / dimethylsulfoxide / 0.5 h

4: 81 percent / diphenylphosphine, butyllithium / tetrahydrofuran; hexane / 2 h / Heating

5: 1.) NaH / 1.) DMF, 20 deg C, 0.25 h, 2.) DMF, 2 h

6: 100 percent / Bio-Rad AG 50W-X₄ (H⁺) / methanol / 0.5 h / Heating

With potassium hydroxide; n-butyllithium; Bio-Rad AG 50W-X₄ (H⁺); hydrogen; sodium hydride; toluene-4-sulfonic acid; acetic acid; diphenylphosphane; palladium on activated charcoal; In tetrahydrofuran; methanol; hexane; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1071/CH9850189