tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

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Chemical Name:tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)
CAS No.:129661-79-6
Molecular Formula:C₂₈H₃₁Br₂NO₁₀S
Molecular Weight:733.429
Hs Code.:

Synonyms:tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

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Chemical Property of tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

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Technology Process of tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

There total 5 articles about tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate) 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%

: 129661-78-5
tetraethyl <(1-phenylsulfonyl-2,5-dimethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

: 129661-79-6
tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

Guidance literature:: With N-Bromosuccinimide; dibenzoyl peroxide; In tetrachloromethane; for 2h; Heating;
DOI:10.3987/COM-89-5237

Reference yield:

: 147295-24-7
2,5-dimethyl-1-(phenylsulfonyl)-1H-pyrrole-3,4-dicarbaldehyde

: 105-53-3
diethyl malonate

: 129661-79-6
tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

Guidance literature:: Multi-step reaction with 2 steps

1: piperidine / acetic acid

2: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane

With piperidine; N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); In tetrachloromethane; acetic acid;
DOI:10.1021/ol300709u

Reference yield:

: 56139-74-3
2,5-dimethyl-1H-pyrrole-3,4-dicarbaldehyde

: 129661-79-6
tetraethyl <(1-phenylsulfonyl-2,5-dibromomethyl-3,4-pyrrolediyl)dimethylene>bis(propanedioate)

Guidance literature:: Multi-step reaction with 3 steps

1: 70 percent / piperidine / benzene / 48 h / Heating

2: 1.) KH / 1.) THF, -78 deg C, 30 min, 2.) THF, from -78 deg C to RT

3: 85 percent / NBS, dibenzoyl peroxide / CCl₄ / 2 h / Heating

With piperidine; N-Bromosuccinimide; potassium hydride; dibenzoyl peroxide; In tetrachloromethane; benzene;
DOI:10.3987/COM-89-5237