2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

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Chemical Name:2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester
CAS No.:144543-44-2
Molecular Formula:C₃₇H₅₀O₃SSi₂
Molecular Weight:631.039
Hs Code.:

2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

Synonyms:2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

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Chemical Property of 2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

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Technology Process of 2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

There total 11 articles about 2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) 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:

: 124044-30-0
(Z)-ethyl 2-bromo-3-ethynyl-(trimethylsilyl)propenoate

: 144543-44-2
2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / 4-(dimethylamino)pyridine, triethylamine / tetrahydrofuran / 3.5 h / 23 °C

2: 1.) tert-butyllithium / 1.) THF, Et₂O, pentane, -120 deg C, 2.) THF, Et₂O, pentane, from -120 to -40 deg C, 3 h

3: 1.) lithium diisopropylamide, Cerium(III) chloride / 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 40 min

With dmap; cerium(III) chloride; tert.-butyl lithium; triethylamine; lithium diisopropyl amide; In tetrahydrofuran;

Reference yield:

: 124044-21-9
(Z)-2-Bromo-5-trimethylsilanyl-pent-2-en-4-ynoic acid ethyl ester

: 144543-44-2
2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

Guidance literature:: Multi-step reaction with 4 steps

1: 94 percent / diisobutylaluminum hydride / hexane; toluene / a) -78 deg C, 30 min, b) 0 deg C, 30 min

2: 95 percent / 4-(dimethylamino)pyridine, triethylamine / tetrahydrofuran / 3.5 h / 23 °C

3: 1.) tert-butyllithium / 1.) THF, Et₂O, pentane, -120 deg C, 2.) THF, Et₂O, pentane, from -120 to -40 deg C, 3 h

4: 1.) lithium diisopropylamide, Cerium(III) chloride / 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 40 min

With dmap; cerium(III) chloride; tert.-butyl lithium; diisobutylaluminium hydride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; hexane; toluene;

Reference yield:

: 144543-42-0
2-(1-Ethynyl-cyclopropyl)-ethanol

: 144543-44-2
2,2-Dimethyl-thiopropionic acid S-(2-{1-[(Z)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-trimethylsilanyl-hept-4-ene-1,6-diynyl]-cyclopropyl}-ethyl) ester

Guidance literature:: Multi-step reaction with 3 steps

1: triethylamine / CH₂Cl₂ / 0.08 h / 0 °C

2: 90 percent / triethylamine / tetrahydrofuran / 3 h / 50 °C

3: 1.) lithium diisopropylamide, Cerium(III) chloride / 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 40 min

With cerium(III) chloride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane;