2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

Base Information

Chemical Name:2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester
CAS No.:221379-76-6
Molecular Formula:C₂₉H₄₆O₆Si
Molecular Weight:518.766
Hs Code.:

2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

Synonyms:2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

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Chemical Property of 2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

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Technology Process of 2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

There total 20 articles about 2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl 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: 94.0%

: 3282-30-2
pivaloyl chloride

: 193970-47-7
(Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-ol

: 221379-76-6
2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

Guidance literature:: With dmap; In dichloromethane; at 25 ℃;
DOI:10.1021/ja971219p

Reference yield:

: 193970-37-5
(Z)-(3R,4aS,13aR)-3-Phenyl-4a,5,8,8a,11,13a-hexahydro-1H-2,4,9,10,13-pentaoxa-dibenzo[a,d]cyclononene

: 221379-76-6
2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 99 percent / H₂ / Lindlar catalyst / methanol / 0.33 h / 25 °C

2: 93 percent / imidazole / CH₂Cl₂ / 0.5 h / 25 °C

3: 85 percent / NMO, tetrapropylammonium perruthenate / CH₂Cl₂ / 1 h / 25 °C

4: 96 percent / <(Ph₃P)CuH>6 / benzene / 3 h / 25 °C

5: 87 percent / DIBAL-H / CH₂Cl₂ / 0.33 h / -78 °C

6: 91 percent / 4-DMAP / CH₂Cl₂ / 8 h / 25 °C

With 1H-imidazole; dmap; N-methyl-2-indolinone; tetrapropylammonium perruthennate; hydrido(triphenylphosphine)copper(I) hexamer; hydrogen; diisobutylaluminium hydride; Lindlar's catalyst; In methanol; dichloromethane; benzene;

Reference yield:

: 193970-83-1
(Z)-(2R,4aR,11aS)-6-[2-Hydroxy-eth-(E)-ylidene]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-ol

: 221379-76-6
2,2-Dimethyl-propionic acid (Z)-(2R,4aR,6S,7R,11aS)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-phenyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 93 percent / imidazole / CH₂Cl₂ / 0.5 h / 25 °C

2: 85 percent / NMO, tetrapropylammonium perruthenate / CH₂Cl₂ / 1 h / 25 °C

3: 96 percent / <(Ph₃P)CuH>6 / benzene / 3 h / 25 °C

4: 87 percent / DIBAL-H / CH₂Cl₂ / 0.33 h / -78 °C

5: 91 percent / 4-DMAP / CH₂Cl₂ / 8 h / 25 °C

With 1H-imidazole; dmap; N-methyl-2-indolinone; tetrapropylammonium perruthennate; hydrido(triphenylphosphine)copper(I) hexamer; diisobutylaluminium hydride; In dichloromethane; benzene;