5-((E)-2-BROMO-VINYL)-BENZO[1,3]DIOXOLE

Base Information

• Chemical Name: 5-((E)-2-BROMO-VINYL)-BENZO[1,3]DIOXOLE
• CAS No.: 17207-73-7
• Molecular Formula: C₉H₇BrO₂
• Molecular Weight: 227.057
• Hs Code.: 2932999099
• Mol file: 17207-73-7.mol

Synonyms:1,3-Benzodioxole,5-(2-bromovinyl)- (8CI); Styrene, b-bromo-3,4-(methylenedioxy)- (7CI)

Chemical Property of 5-((E)-2-BROMO-VINYL)-BENZO[1,3]DIOXOLE

Chemical Property:

• PSA: 18.46000
• LogP: 2.78090

Purity/Quality:

98%min ^*data from raw suppliers

5-((E)-2-BROMO-VINYL)-BENZO(1,3)DIOXOLE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-((E)-2-BROMO-VINYL)-BENZO[1,3]DIOXOLE

There total 4 articles about 5-((E)-2-BROMO-VINYL)-BENZO[1,3]DIOXOLE 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: 91.0%

3,4-(methylenedioxy)cinnamic acid (2373-80-0,38489-76-8) → 2-bromo-1-[3,4-methylenedioxyphenyl]ethylene (17207-73-7,77150-95-9,150357-72-5)

Guidance literature:

With N-Bromosuccinimide; triethylamine; In water; acetonitrile; for 0.25h; Inert atmosphere;

DOI:10.1002/chem.201503403

Reference yield:

piperonal (120-57-0,30024-74-9) + (bromomethylene)triphenylphosphorane (39598-55-5) → 3,4-methylenedioxyphenylethyne (57134-53-9) + 2-bromo-1-[3,4-methylenedioxyphenyl]ethylene (17207-73-7,77150-95-9,150357-72-5)

Guidance literature:

Yield given. Multistep reaction. Yields of byproduct given; THF;

DOI:10.1016/S0040-4039(00)92860-0

Reference yield:

→ 2-bromo-1-[3,4-methylenedioxyphenyl]ethylene (17207-73-7,77150-95-9,150357-72-5)

Guidance literature:

With sodium acetate; acetic acid;

upstream raw materials:

piperonal

(bromomethylene)triphenylphosphorane

3,4-(methylenedioxy)cinnamic acid

Downstream raw materials:

2-((E)-2-(benzo[d][1,3]dioxol-5-yl)vinylthio)-5-(trifluoromethyl)phenol

2-((E)-2-(benzo[d][1,3]dioxol-5-yl)vinylthio)-5-fluorophenol

2-((E)-2-(benzo[d][1,3]dioxol-5-yl)vinylthio)-4,5-dichlorophenol

ethyl 2-((1R,2S,3R)-3-(benzo[d][1,3]dioxol-5-yl)-2-nitro-5-oxocyclohexyl)acetate

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