7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

Base Information

Chemical Name:7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid
CAS No.:76049-42-8
Molecular Formula:C₁₈H₂₁ClO₇S
Molecular Weight:416.88
Hs Code.:

Synonyms:7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

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Chemical Property of 7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

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Technology Process of 7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

There total 3 articles about 7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid 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: 65.0%

: 141-97-9
ethyl acetoacetate

: 76049-41-7
3-(4-Chlorbenzyliden)-5,5-dimethyl-1,2-oxathiolan-4-on-2,2-dioxid

: 76049-42-8
7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

Guidance literature:: With sodium methylate; 1.) 80 deg C, 2 h, 2.) room temp., 2 h;
DOI:10.1002/ardp.19803130908

Reference yield:

: 104-88-1
4-chlorobenzaldehyde

: 76049-42-8
7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

Guidance literature:: Multi-step reaction with 2 steps

1: 35 percent / CH₃COONa / acetic acid / 1 h / Heating

2: 65 percent / 1.) NaOCH₃ / 1.) 80 deg C, 2 h, 2.) room temp., 2 h

With sodium methylate; sodium acetate; In acetic acid;
DOI:10.1002/ardp.19803130908

Reference yield:

: 58742-82-8
5,5-dimethyl-1,2-oxathiolane-4-one 2,2-dioxide

: 76049-42-8
7-(4-Chlorphenyl)-5-hydroxy-3,3,5-trimethyl-3,5,6,7-tetrahydropyrano<3,2-c>-1,2-oxathiol-6-carbonsaeureethylester-1,1-dioxid

Guidance literature:: Multi-step reaction with 2 steps

1: 35 percent / CH₃COONa / acetic acid / 1 h / Heating

2: 65 percent / 1.) NaOCH₃ / 1.) 80 deg C, 2 h, 2.) room temp., 2 h

With sodium methylate; sodium acetate; In acetic acid;
DOI:10.1002/ardp.19803130908