2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

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Chemical Name:2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran
CAS No.:204578-48-3
Molecular Formula:C₄₄H₆₀O₄Si₂
Molecular Weight:709.129
Hs Code.:

2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

Synonyms:2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

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Chemical Property of 2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

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Technology Process of 2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

There total 6 articles about 2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran 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: 67.0%

: 110-87-2
3,4-dihydro-2H-pyran

: 204578-47-2
3,9-Bis-(4-tert-butyl-phenyl)-3,9-dimethoxy-1,11-bis-trimethylsilanyl-undeca-1,4,7,10-tetrayn-6-ol

: 204578-48-3
2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

Guidance literature:: With pyridinium p-toluenesulfonate; In dichloromethane; for 1h; Ambient temperature;
DOI:10.1016/S0040-4020(98)00011-8

Reference yield:

: 1710-98-1
p-tert-butyl benzoyl chloride

: 204578-48-3
2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

Guidance literature:: Multi-step reaction with 5 steps

1: 91 percent / AlCl₃ / CH₂Cl₂ / 2 h / Ambient temperature

2: 84 percent / tetrahydrofuran / Ambient temperature

3: 1.) BuLi / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, DMSO, rt, 15 h

4: 1.) EtMgBr / 1.) THF, 0 deg C, 30 min, 2.) THF, rt, 2 h

5: 67 percent / pyridinium p-toluenesulfonate / CH₂Cl₂ / 1 h / Ambient temperature

With n-butyllithium; aluminium trichloride; ethylmagnesium bromide; pyridinium p-toluenesulfonate; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4020(98)00011-8

Reference yield:

: 204578-44-9
1-(4-tert-butylphenyl)-3-trimethylsilylpropynone

: 204578-48-3
2-{4-(4-tert-Butyl-phenyl)-1-[3-(4-tert-butyl-phenyl)-3-methoxy-5-trimethylsilanyl-penta-1,4-diynyl]-4-methoxy-6-trimethylsilanyl-hexa-2,5-diynyloxy}-tetrahydro-pyran

Guidance literature:: Multi-step reaction with 4 steps

1: 84 percent / tetrahydrofuran / Ambient temperature

2: 1.) BuLi / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, DMSO, rt, 15 h

3: 1.) EtMgBr / 1.) THF, 0 deg C, 30 min, 2.) THF, rt, 2 h

4: 67 percent / pyridinium p-toluenesulfonate / CH₂Cl₂ / 1 h / Ambient temperature

With n-butyllithium; ethylmagnesium bromide; pyridinium p-toluenesulfonate; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4020(98)00011-8