2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate

Base Information

• Chemical Name: 2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate
• CAS No.: 25952-50-5
• Molecular Formula: C24H24N2O5
• Molecular Weight: 420.46

Synonyms:2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate

Chemical Property of 2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate

Chemical Property:

• Melting Point: 98 - 101 °C
• Boiling Point: 576.1±50.0 °C(Predicted)
• PSA: 84.59000
• Density: 1.30±0.1 g/cm3(Predicted)
• LogP: 5.20200

Purity/Quality:

99% ^*data from raw suppliers

2-(3',3'-Dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethylmethacrylate 97% ^*data from reagent suppliers

Safty Information:

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Technology Process of 2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate

There total 7 articles about 2-(3',3'-dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)ethyl methacrylate 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%

5-Nitrosalicylaldehyde (97-51-8) + 2,3,3-trimethyl-1-[2-(2-methyl-acryloyloxy)-ethyl]-3H-indolium; bromide → 1-(β-methacryloxyethyl)-3,3-dimethyl-6'-nitrospiro(indoline-2,2'-<2H>benzopyran) (25952-50-5)

Guidance literature:

With triethylamine; In ethanol; for 12h; Heating;

DOI:10.1081/SCC-200049808

Reference yield: 80.0%

poly(methacrylic acid) (79-41-4,25087-26-7,50867-57-7) + 2-(3',3'-dimethyl-6-nitro-3'H-spiro[chromene-2,2'-indol]-1'-yl)-ethanol (16111-07-2) → 1-(β-methacryloxyethyl)-3,3-dimethyl-6'-nitrospiro(indoline-2,2'-<2H>benzopyran) (25952-50-5)

Guidance literature:

With dmap; dicyclohexyl-carbodiimide; In dichloromethane; at 0 - 20 ℃; for 24.5h; Inert atmosphere; Darkness;

DOI:10.1021/acs.macromol.5b00667

Reference yield: 62.0%

2-(3',3'-dimethyl-6-nitro-3'H-spiro[chromene-2,2'-indol]-1'-yl)-ethanol (16111-07-2) + Methacryloyl chloride (920-46-7,26937-45-1) → 1-(β-methacryloxyethyl)-3,3-dimethyl-6'-nitrospiro(indoline-2,2'-<2H>benzopyran) (25952-50-5)

Guidance literature:

With dmap; triethylamine; In dichloromethane; at 0 - 20 ℃; Inert atmosphere;

DOI:10.1002/anie.201003985

upstream raw materials:

2-(3',3'-dimethyl-6-nitro-3'H-spiro[chromene-2,2'-indol]-1'-yl)-ethanol

Methacryloyl chloride

5-Nitrosalicylaldehyde

2,3,3-trimethylindoleniune

Downstream raw materials:

C₂₄H₂₄N₂O₅

C₂₄H₂₄N₂O₅

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