(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

Base Information

Chemical Name:(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>
CAS No.:116346-78-2
Molecular Formula:C₅₀H₇₈O₆Si₂
Molecular Weight:831.337
Hs Code.:

Synonyms:(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

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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 (9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

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Technology Process of (9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

There total 3 articles about (9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl 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:

: 84-60-6
anthraflavic acid

: 116346-78-2
(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

Guidance literature:: Multi-step reaction with 3 steps

1: 78 percent / Al(Hg), NH₄OH / ethanol; H₂O / 2 h / 60 - 65 °C

2: 83 percent / Et₃N / dimethylformamide / 8 h / 35 °C

3: 1.) Et₂AlCl / 1.) -45 deg C, toluene; 2.) -45 deg C, 5 h, 0 deg C, 12 h, toluene

With ammonium hydroxide; aluminum amalgam; diethylaluminium chloride; triethylamine; In ethanol; water; N,N-dimethyl-formamide;
DOI:10.1021/ja00228a036

Reference yield:

: 101488-73-7
anthracene-2,6-diol

: 116346-78-2
(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

Guidance literature:: Multi-step reaction with 2 steps

1: 83 percent / Et₃N / dimethylformamide / 8 h / 35 °C

2: 1.) Et₂AlCl / 1.) -45 deg C, toluene; 2.) -45 deg C, 5 h, 0 deg C, 12 h, toluene

With diethylaluminium chloride; triethylamine; In N,N-dimethyl-formamide;
DOI:10.1021/ja00228a036

Reference yield:

: 86287-64-1
(2E,1'S,2'R,5'S)-but-2-enedioic acid bis(2'-isopropyl-5'methyl-cyclohexyl) ester

: 116264-92-7
2,6-bis(tert-butyldimethylsiloxy)anthracene

: 116346-78-2
(9S,10S,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)-9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

: 116264-95-0
(9R,10R,11R,12R)-2,6-bis(tert-butyldimethylsiloxy)9,10-dihydro-11,12-dicarboxyethanoanthracene bis<(+)-menthyl ester>

Guidance literature:: With diethylaluminium chloride; Yield given. Multistep reaction. Yields of byproduct given; 1.) -45 deg C, toluene; 2.) -45 deg C, 5 h, 0 deg C, 12 h, toluene;
DOI:10.1021/ja00228a036