(1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate

Base Information

• Chemical Name: (1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate
• CAS No.: 1075727-00-2
• Molecular Formula: C28H40NO6.C6H5O3S
• Molecular Weight: 643.799
• Mol file: 1075727-00-2.mol

Synonyms:(1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate

Chemical Property of (1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate

Chemical Property:

• PSA: 128.80000
• LogP: 6.36960

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate can be used as a pharmaceutical intermediate.

Technology Process of (1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate

There total 4 articles about (1R,2R)-1-[(3,4-Dimethoxyphenyl)methyl]-2-[3-(tert-butoxy)-3-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinolinium benzenesulfonate 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: 53.2%

(1R)-1-[(3,4-dimethoxyphenyl)-methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-tert-butoxycarbonylethyl-isoquinoline oxalate (1075726-71-4) + Methyl benzenesulfonate (80-18-2) → (1R-trans)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-2-tert-butoxycarbonylethyl-isoquinolinium besylate (1075727-02-4) + (1R-cis)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-2-tert-butoxycarbonylethyl-isoquinolinium besylate (1075727-00-2)

Guidance literature:

(1R)-1-[(3,4-dimethoxyphenyl)-methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-tert-butoxycarbonylethyl-isoquinoline oxalate; With sodium hydroxide; In water; toluene; at 20 ℃; for 0.25h; pH=9 - 10;

Methyl benzenesulfonate; In acetonitrile; at 30 ℃; for 20h;

Reference yield:

(1R)-1-[(3,4-dimethoxyphenyl)-methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-tert-butoxycarbonylethyl-isoquinoline oxalate (1075726-71-4) + Methyl benzenesulfonate (80-18-2) → (1R-cis)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-2-tert-butoxycarbonylethyl-isoquinolinium besylate (1075727-00-2)

Guidance literature:

(1R)-1-[(3,4-dimethoxyphenyl)-methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-tert-butoxycarbonylethyl-isoquinoline oxalate; With sodium hydroxide; In water; toluene; pH=7;

Methyl benzenesulfonate; In ethyl acetate; at 20 ℃; for 10h; Temperature; Solvent; Reagent/catalyst;

Reference yield:

(R)-N-(2-tert-butoxycarbonylethyl)-1,2,3,4-tetrahydropapaverine oxalate + Methyl benzenesulfonate (80-18-2) → (1R-trans)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-2-tert-butoxycarbonylethyl-isoquinolinium besylate (1075727-02-4) + (1R-cis)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-2-tert-butoxycarbonylethyl-isoquinolinium besylate (1075727-00-2)

Guidance literature:

(R)-N-(2-tert-butoxycarbonylethyl)-1,2,3,4-tetrahydropapaverine oxalate; With sodium hydroxide; In water; pH=10;

Methyl benzenesulfonate; In acetonitrile; at 30 - 35 ℃; for 24h;

upstream raw materials:

(1R)-1-[(3,4-dimethoxyphenyl)-methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-tert-butoxycarbonylethyl-isoquinoline oxalate

Methyl benzenesulfonate

Downstream raw materials:

(1R,2R)-2-(2-carboxyethyl)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium besylate

cis-(R)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-2-[3-[(5-hydroxypentyl)oxy]-3-oxopropyl]-6,7-dimethoxy-2-methyl-isoquinolinium besylate

Refernces

• 1、 -. "CISATRACURIUM DERIVATIVES, PREPARATION AND USES THEREOF". Page/Page column 18; 19. . Retrieved 2009/12/05.
• 2、 -. "PROCESS FOR PRODUCING CISATRACURIUM COMPOUNDS AND ASSOCIATED INTERMEDIATES". Page/Page column 34-36. . Retrieved 2008/12/08.