(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

Base Information

Chemical Name:(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene
CAS No.:852337-09-8
Molecular Formula:C₁₇H₁₉BrO₂
Molecular Weight:335.241
Hs Code.:

Synonyms:(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

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Chemical Property of (S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

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Technology Process of (S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

There total 4 articles about (S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene 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: 70.0%

: 77-76-9
2,2-dimethoxy-propane

: 852337-05-4
1-(2-bromophenyl)-[1-(hydroxymethyl)cyclohexa-2,5-dienyl]methanol

: 852337-09-8
(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

Guidance literature:: With camphor-10-sulfonic acid; In acetone;
DOI:10.1016/j.tetlet.2005.03.042

Reference yield:

: 30889-20-4
methyl cyclohexa-2,5-diene-1-carboxylate

: 852337-09-8
(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

Guidance literature:: Multi-step reaction with 3 steps

1: 52 percent / LDA / tetrahydrofuran / -78 °C

2: 55 percent / LiAlH₄ / tetrahydrofuran / 0 °C

3: 70 percent / camphorsulfonic acid / acetone

With lithium aluminium tetrahydride; camphor-10-sulfonic acid; lithium diisopropyl amide; In tetrahydrofuran; acetone;
DOI:10.1016/j.tetlet.2005.03.042

Reference yield:

: 7154-66-7
2-bromobenzoic acid chloride

: 852337-09-8
(S)-1-(2-Bromo-phenyl)-3,3-dimethyl-2,4-dioxa-spiro[5.5]undeca-7,10-diene

Guidance literature:: Multi-step reaction with 3 steps

1: 52 percent / LDA / tetrahydrofuran / -78 °C

2: 55 percent / LiAlH₄ / tetrahydrofuran / 0 °C

3: 70 percent / camphorsulfonic acid / acetone

With lithium aluminium tetrahydride; camphor-10-sulfonic acid; lithium diisopropyl amide; In tetrahydrofuran; acetone;
DOI:10.1016/j.tetlet.2005.03.042