(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

Base Information

Chemical Name:(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester
CAS No.:1291077-30-9
Molecular Formula:C₂₅H₂₅NO₅
Molecular Weight:419.477
Hs Code.:

Synonyms:(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

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Technology Process of (±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

There total 6 articles about (±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl 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: 97.5%

: 1291076-30-6
(±)-(E)-3-[4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester hydrochloride

: 98-88-4
benzoyl chloride

: 1291077-30-9
(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 1h;
DOI:10.1016/j.ejmech.2015.11.010

Reference yield: 97.5%

: 1291077-30-9
(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

Guidance literature:

Reference yield:

: 188975-88-4
tert-butyl 4-oxoazepane-1-carboxylate

: 1291077-30-9
(±)-(E)-3-[1'-benzoyl-4-oxospiro(chromane-2,4’-azepane)-6-yl]acrylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: pyrrolidine / methanol / 4 h / 70 °C / Microwave irradiation

2: tris-(o-tolyl)phosphine; palladium diacetate; triethylamine / N,N-dimethyl-formamide / 3 h / 100 °C / Inert atmosphere

3: water; hydrogenchloride / dichloromethane; 1,4-dioxane / 1 h / 20 °C

4: N-ethyl-N,N-diisopropylamine / dichloromethane / 1 h / 20 °C

With pyrrolidine; hydrogenchloride; water; palladium diacetate; triethylamine; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine; In 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2015.11.010