(+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate

Base Information

• Chemical Name: (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate
• CAS No.: 127785-56-2
• Molecular Formula: C₄₂H₅₆O₅Si
• Molecular Weight: 668.989
• Mol file: 127785-56-2.mol

Synonyms:(+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate

Chemical Property of (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate

There total 1 articles about (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate 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: 85.0%

benzoyl chloride (98-88-4) + (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol (109826-76-8) → (+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate (127785-56-2)

Guidance literature:

With dmap; In pyridine;

DOI:10.1016/S0040-4020(01)89182-1

Reference yield: 95.0%

(+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate (127785-56-2) → (+)-<2R(3E,5R),4S,6S,8R,9S>-2-<6-hydroxy-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate (127785-57-3)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; Ambient temperature;

DOI:10.1016/S0040-4020(01)89182-1

Reference yield:

(+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate (127785-56-2) → C61H78O8Si (115043-15-7)

Guidance literature:

Multi-step reaction with 3 steps

1: tetrabutylammonium fluoride / tetrahydrofuran / 4 h

2: 1) (COCl)2, DMSO, 2) Et₃N / 1) -60 deg C, 20 min, 2) -60 deg C to room temp., 1 h

3: 1) nBuLi

With n-butyllithium; oxalyl dichloride; tetrabutyl ammonium fluoride; dimethyl sulfoxide; triethylamine; In tetrahydrofuran;

DOI:10.1016/S0040-4039(00)96834-5

upstream raw materials:

benzoyl chloride

(+)-<2R(2E,4R),4S,6S,8R,9S>-2-<6-(tert-butyldiphenylsilyloxy)-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol

Downstream raw materials:

(+)-<2R(3E,5R),4S,6S,8R,9S>-2-<6-hydroxy-3,5-dimethyl-2-hexenyl>-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-4-ol benzoate

(+)-<2R,4E,6(2R,4S,6S,8R,9S)>-6-(4-benzoyloxy-8,9-dimethyl-1,7-dioxaspiro<5.5>undecan-2-yl)-2,4-dimethyl-4-hexenal

C₄₅H₆₀O₈

C₄₅H₅₈O₉