(2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

Base Information

Chemical Name:(2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane
CAS No.:133124-37-5
Molecular Formula:C₂₀H₂₁NO₄
Molecular Weight:339.391
Hs Code.:

(2R,4S)-(+)-5,5 dimethyl-2-<trans-2-(4-nitrophenyl)ethenyl>-4-phenyl-1,3-dioxane

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Chemical Property of (2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

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Technology Process of (2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

There total 3 articles about (2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane 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: 53.0%

: 52178-66-2,98674-79-4
(S)-(+)-1-phenyl-2,2-dimethyl-1,3-propanediol

: 95123-67-4
trans-4-nitrocinnamaldehyde dimethyl acetal

: 133124-37-5
(2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

Guidance literature:: With toluene-4-sulfonic acid; In benzene; for 6h; Heating;

Reference yield:

: 49678-08-2
3-(4-nitrophenyl)-propenal

: 133124-37-5
(2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / conc. hydrochloric acid / methanol / 1 h / Ambient temperature

2: 53 percent / 4-toluenesulfonic acid / benzene / 6 h / Heating

With hydrogenchloride; toluene-4-sulfonic acid; In methanol; benzene;

Reference yield:

: 98674-80-7
(R)-(-)-5,5-dimethyl-2-hydroxy-4-phenyl-1,3,2-dioxaphosphorinane 2-oxide

: 133124-37-5
(2R,4S)-(+)-5,5 dimethyl-2--4-phenyl-1,3-dioxane

Guidance literature:: Multi-step reaction with 2 steps

1: 70 percent / potassium hydroxide / ethane-1,2-diol / 8 h / 150 °C

2: 53 percent / 4-toluenesulfonic acid / benzene / 6 h / Heating

With potassium hydroxide; toluene-4-sulfonic acid; In ethylene glycol; benzene;