(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

Base Information

Chemical Name:(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate
CAS No.:1357173-12-6
Molecular Formula:C₂₈H₄₀O₅Si
Molecular Weight:484.708
Hs Code.:

Synonyms:(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

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Chemical Property of (3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

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Technology Process of (3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

There total 8 articles about (3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate 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%

: 848311-36-4
dimethyl 2-(but-2-ynyl)-2-((1Z,3E)-4-phenyl-2-(triisopropylsilyloxy)buta-1,3-dienyl)malonate

: 1357173-12-6
(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

Guidance literature:: With (R)-DTBM-SEGPHOS(AuCl)2; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate; In 1,2-dichloro-ethane; at 20 ℃; for 16h; optical yield given as %ee; enantioselective reaction; Molecular sieve;
DOI:10.1021/ja210388g

Reference yield:

: 848311-36-4
dimethyl 2-(but-2-ynyl)-2-((1Z,3E)-4-phenyl-2-(triisopropylsilyloxy)buta-1,3-dienyl)malonate

: (3aR,4S,6aS)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

: 1357173-12-6
(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

Guidance literature:: With C₄₆H₄₄AuCl₂O₄P₂; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate; In dichloromethane; at 20 ℃; for 16h; optical yield given as %ee; enantioselective reaction; Molecular sieve;
DOI:10.1021/ja210388g

Reference yield:

: 848312-31-2
(E)-dimethyl 2-(but-2-ynyl)-2-(2-oxo-4-phenylbut-3-enyl)malonate

: 1357173-12-6
(3aS,4R,6aR)-dimethyl 3a-methyl-4-phenyl-6-(triisopropylsilyloxy)-3a,4-dihydropentalene-1,1(6aH)-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine / dichloromethane / 20 °C / Inert atmosphere

2: (R)-DTBM-SEGPHOS(AuCl)2; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate / 1,2-dichloro-ethane / 16 h / 20 °C / Molecular sieve

With (R)-DTBM-SEGPHOS(AuCl)2; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate; triethylamine; In dichloromethane; 1,2-dichloro-ethane;
DOI:10.1021/ja210388g