dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

Base Information

Chemical Name:dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate
CAS No.:26019-77-2
Molecular Formula:C₃₅H₃₆N₂O₉
Molecular Weight:628.679
Hs Code.:

Synonyms:dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

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Chemical Property of dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

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Technology Process of dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

There total 3 articles about dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate 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: 60.0%

: 992-36-9
dibenzyl 3,3'-bis(2-methoxycarbonylethyl)-4,4'-dimethyl-2,2'-pyrromethane-5,5'-dicarboxylate

: 26019-77-2
dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

Guidance literature:: dibenzyl 3,3'-bis(2-methoxycarbonylethyl)-4,4'-dimethyl-2,2'-pyrromethane-5,5'-dicarboxylate; With lead(IV) tetraacetate; In acetic acid; at 20 ℃; for 96h; Inert atmosphere;

With lead dioxide; In acetic acid; at 20 ℃; for 48h; Inert atmosphere;
DOI:10.1021/jo501969z

Reference yield:

: 20303-31-5
benzyl 4-(2-methoxycarbonylethyl)-3,5-dimethylpyrrole-2-carboxylate

: 26019-77-2
dibenzyl 3,7-Bis(2-methoxycarbonylethyl)-2,8-dimethyldipyrroketone-1,9-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: bromine / diethyl ether / 20 °C

1.2: Reflux

2.1: lead(IV) tetraacetate / acetic acid / 96 h / 20 °C / Inert atmosphere

2.2: 48 h / 20 °C / Inert atmosphere

With bromine; lead(IV) tetraacetate; In diethyl ether; acetic acid;
DOI:10.1021/jo501969z