(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

Base Information

Chemical Name:(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol
CAS No.:196600-31-4
Molecular Formula:C₂₅H₄₂O₅Si
Molecular Weight:450.691
Hs Code.:

Synonyms:(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

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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 (2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

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Technology Process of (2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

There total 9 articles about (2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol 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: 76.0%

: 196600-16-5
(E)-1-{5-[(2,3-dimethyl-2-butyl)dimethylsilyloxy]-3-methylpent-3-en-1-yn-1-yl}-2,5-dimethoxy-3,4,6-trimethylbenzene

: 196600-31-4
(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

Guidance literature:: With AD-mix-α; In water; tert-butyl alcohol; at 0 ℃;
DOI:10.1055/s-1997-1278

Reference yield:

: 196600-21-2
(Z)-1-{5-[(2,3-dimethyl-2-butyl)dimethylsilyloxy]-3-methylpent-3-en-1-yn-1-yl}-2,5-dimethoxy-3,4,6-trimethylbenzene

: 196600-31-4
(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

: 196600-35-8
(2R,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

Guidance literature:: With AD-mix-α; In water; tert-butyl alcohol; at 0 ℃; for 72h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
DOI:10.1055/s-1997-1278

Reference yield:

: 4537-09-1
1,4-dimethoxy-2,3,5-trimethyl-benzene

: 196600-31-4
(2S,3S)-1-[(2,3-dimethyl-2-butyl)dimthylsilyloxy]-5-(2,5-dimethoxy-3,4,6-trimethylphenyl)-3-methylpent-4-yne-2,3-diol

Guidance literature:: Multi-step reaction with 3 steps

1: 78 percent / I₂, H₅IO₆, HOAc, H₂SO₄ / H₂O / 17 h / 45 °C

2: 1.) DMPU, n-BuLi, 2.) ZnCl₂, 3.) Pd(PPh₃)4

3: AD-mix-α / 2-methyl-propan-2-ol; H2O / 72 h / 0 °C

With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; AD-mix-α; tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sulfuric acid; iodine; acetic acid; periodic acid; zinc(II) chloride; In water; tert-butyl alcohol;
DOI:10.1055/s-1997-1278