C₂₁H₂₀O₃

Base Information

Chemical Name:C₂₁H₂₀O₃
CAS No.:1267969-09-4
Molecular Formula:C₂₁H₂₀O₃
Molecular Weight:320.388
Hs Code.:

C<sub>21</sub>H<sub>20</sub>O<sub>3</sub>

Synonyms:C₂₁H₂₀O₃

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Chemical Property of C₂₁H₂₀O₃

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Technology Process of C₂₁H₂₀O₃

There total 3 articles about C₂₁H₂₀O₃ 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: 51.0%

: 1267968-87-5
C₁₃H₁₄O₂

: 123-11-5
4-methoxy-benzaldehyde

: 1267969-09-4
C₂₁H₂₀O₃

Guidance literature:: C₁₃H₁₄O₂; With sodium hydroxide; In ethanol; water; at 20 ℃; for 0.0833333h;

4-methoxy-benzaldehyde; In ethanol; water; at 20 ℃; for 1.5h;
DOI:10.1021/jo102416e

Reference yield:

: 1267968-64-8
C₁₉H₃₀O₂Si

: 1267969-09-4
C₂₁H₂₀O₃

Guidance literature:: Multi-step reaction with 3 steps

1.1: manganese(IV) oxide / dichloromethane / 0 - 20 °C

2.1: tetrabutyl ammonium fluoride / tetrahydrofuran; water / 0.33 h / 0 °C

3.1: sodium hydroxide / ethanol; water / 0.08 h / 20 °C

3.2: 1.5 h / 20 °C

With manganese(IV) oxide; tetrabutyl ammonium fluoride; sodium hydroxide; In tetrahydrofuran; ethanol; dichloromethane; water;
DOI:10.1021/jo102416e

Reference yield:

: 6-<(Tert-butyldimethylsilyl)oxy>-4,5-epoxy-4-methyl-2-hexyne

: 1267969-09-4
C₂₁H₂₀O₃

Guidance literature:: Multi-step reaction with 4 steps

1.1: copper(l) cyanide; triethyl phosphite / tetrahydrofuran / -40 °C

2.1: manganese(IV) oxide / dichloromethane / 0 - 20 °C

3.1: tetrabutyl ammonium fluoride / tetrahydrofuran; water / 0.33 h / 0 °C

4.1: sodium hydroxide / ethanol; water / 0.08 h / 20 °C

4.2: 1.5 h / 20 °C

With manganese(IV) oxide; tetrabutyl ammonium fluoride; copper(l) cyanide; sodium hydroxide; triethyl phosphite; In tetrahydrofuran; ethanol; dichloromethane; water;
DOI:10.1021/jo102416e