(2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester

Base Information

• Chemical Name: (2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester
• CAS No.: 82248-07-5
• Molecular Formula: C₂₉H₂₃N₂O₄P
• Molecular Weight: 494.486

Synonyms:(2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester

Chemical Property of (2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester

Chemical Property:

Purity/Quality:

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Technology Process of (2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester

There total 3 articles about (2E,5E)-2,6-Dicyano-4-(triphenyl-λ⁵-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester 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: 90.0%

C25H29N2P(2+)*2ClO4(1-) + methyl 2-cyanoacetate (105-34-0) → (2E,5E)-2,6-Dicyano-4-(triphenyl-λ5-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester (82248-07-5)

Guidance literature:

With potassium hydroxide; In methanol; Heating;

Reference yield:

Methyltriphenylphosphonium bromide (1779-49-3) → (2E,5E)-2,6-Dicyano-4-(triphenyl-λ5-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester (82248-07-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 92 percent / 130 °C

2: 82 percent / phosphorylchloride, NaClO₄ / 60 - 70 °C

3: 90 percent / KOH / methanol / Heating

With potassium hydroxide; sodium perchlorate; trichlorophosphate; In methanol;

Reference yield:

bromure de 2-dimethylaminovinyltriphenylphosphonium (138371-12-7) → (2E,5E)-2,6-Dicyano-4-(triphenyl-λ5-phosphanylidene)-hepta-2,5-dienedioic acid dimethyl ester (82248-07-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 82 percent / phosphorylchloride, NaClO₄ / 60 - 70 °C

2: 90 percent / KOH / methanol / Heating

With potassium hydroxide; sodium perchlorate; trichlorophosphate; In methanol;

upstream raw materials:

methyl 2-cyanoacetate

Methyltriphenylphosphonium bromide

bromure de 2-dimethylaminovinyltriphenylphosphonium

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