Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

Base Information

Chemical Name:Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester
CAS No.:170168-28-2
Molecular Formula:C₁₇H₂₁BrO₆S
Molecular Weight:433.32
Hs Code.:

Synonyms:Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

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Chemical Property of Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

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Technology Process of Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

There total 3 articles about Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester 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: 95.0%

: 107-21-1
ethylene glycol

: 160281-65-2
Methanesulfonic acid 5-bromo-2-methyl-4-(1-methyl-2,5-dioxo-cyclopentylmethyl)-phenyl ester

: 170168-28-2
Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

Guidance literature:: With toluene-4-sulfonic acid; In benzene; for 4h; Heating;
DOI:10.1016/0040-4020(95)00517-C

Reference yield:

: 765-69-5
2-Methylcyclopentane-1,3-dione

: 170168-28-2
Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: K₂CO₃ / H₂O; 2-methyl-propan-2-ol / 3 h / Heating

2: p-TsOH / benzene / 4 h / Heating

With potassium carbonate; toluene-4-sulfonic acid; In water; tert-butyl alcohol; benzene;
DOI:10.1016/S0040-4039(00)76963-2

Reference yield:

: 160281-71-0
2-bromo-4-mesyloxy-5-methylbenzyl bromide

: 170168-28-2
Methanesulfonic acid 5-bromo-2-methyl-4-(6-methyl-7-oxo-1,4-dioxa-spiro[4.4]non-6-ylmethyl)-phenyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: K₂CO₃ / H₂O; 2-methyl-propan-2-ol / 3 h / Heating

2: p-TsOH / benzene / 4 h / Heating

With potassium carbonate; toluene-4-sulfonic acid; In water; tert-butyl alcohol; benzene;
DOI:10.1016/S0040-4039(00)76963-2