*,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate

Base Information

• Chemical Name: *,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate
• CAS No.: 139631-40-6
• Molecular Formula: C₂₄H₃₀O₆
• Molecular Weight: 414.499

Synonyms:*,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate

Chemical Property of *,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate

Chemical Property:

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Technology Process of *,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate

There total 1 articles about *,R^*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate 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: 92.0%

L-(+)-diisopropyl tartrate (2217-15-4) + benzyl bromide (100-39-0) → *,R*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate (139631-40-6)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20 ℃;

DOI:10.1080/00304940409458684

Reference yield: 97.0%

*,R*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate (139631-40-6) → 1,4-di-O-benzyl-L-threitol (113427-43-3)

Guidance literature:

DOI:10.1080/00304940409458684

Reference yield:

diethoxyphosphoryl-acetic acid ethyl ester (867-13-0) + *,R*)>-bis(1-methylethyl) 2,3-bis(phenylmethoxy)butanedioate (139631-40-6) → *,R*)>-diethyl (2E,6E)-4,5-bis(phenylmethoxy)-2,6-octadienedioate (130860-91-2) + ethyl (2E)-2,3-dideoxy-4,5-bis-O-(phenylmethyl)-L-threo-hexenoate + (2E,6Z)-(S)-4,5-Bis-benzyloxy-octa-2,6-dienedioic acid diethyl ester (130860-91-2,139631-41-7)

Guidance literature:

With n-butyllithium; diisobutylaluminium hydride; Yield given. Multistep reaction. Yields of byproduct given;

upstream raw materials:

L-(+)-diisopropyl tartrate

benzyl bromide

Downstream raw materials:

*,R^*)>-diethyl (2E,6E)-4,5-bis(phenylmethoxy)-2,6-octadienedioate

(2E,6Z)-(S)-4,5-Bis-benzyloxy-octa-2,6-dienedioic acid diethyl ester

1,4-di-O-benzyl-L-threitol

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