11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

Base Information

Chemical Name:11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate
CAS No.:441004-78-0
Molecular Formula:C₂₆H₂₂O₇S
Molecular Weight:478.522
Hs Code.:

Synonyms:11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

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Technology Process of 11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

There total 6 articles about 11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate 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: 91.0%

: 35338-79-5
6-hydroxy-3,3-dimethyl-11-methoxy-pyrano[2,3-c]xanthen-7(3H)-one

: 98-59-9
p-toluenesulfonyl chloride

: 441004-78-0
11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

Guidance literature:: With sodium carbonate; In acetone; Heating;
DOI:10.1021/jm011117g

Reference yield: 85.0%

: 1448599-59-4
5-methoxy-3-(2-methylbut-3-yn-2-yloxy)-9-oxo-9H-xanthen-1-yl 4-methylbenzenesulfonate

: 441004-78-0
11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

Guidance literature:: In N,N-dimethyl-formamide; for 2h; Reflux;
DOI:10.1002/ardp.201200440

Reference yield:

: 877-22-5
3-methoxysalicylic acid

: 441004-78-0
11-methoxy-3,3-dimethyl-7-oxo-3,7-dihydropyrano[2,3-c]-xanthen-6-yl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 4 steps

1: eaton’s reagent / 0.33 h / 80 °C

2: potassium iodide; potassium carbonate; copper(l) iodide / acetone / 2 h / 45 °C / Inert atmosphere

3: potassium carbonate / acetone / 1.5 h / Inert atmosphere; Reflux

4: N,N-dimethyl-formamide / 2 h / Reflux

With copper(l) iodide; eaton’s reagent; potassium carbonate; potassium iodide; In N,N-dimethyl-formamide; acetone;
DOI:10.1002/ardp.201200440