1-Ethyl-2-methylene-3,3-dimethylindoline

Base Information

• Chemical Name: 1-Ethyl-2-methylene-3,3-dimethylindoline
• CAS No.: 73718-62-4
• Molecular Formula: C13H17N
• Molecular Weight: 187.285
• Hs Code.: 2933990090
• Mol file: 73718-62-4.mol

Synonyms:Indoline,1-ethyl-3,3-dimethyl-2-methylene- (6CI);1-Ethyl-3,3-dimethyl-2-methylidene-2,3-dihydro-1H-indole;

Chemical Property of 1-Ethyl-2-methylene-3,3-dimethylindoline

Chemical Property:

• Boiling Point: 258.095 °C at 760 mmHg
• Flash Point: 100.461 °C
• PSA: 3.24000
• Density: 0.996 g/cm³
• LogP: 3.38280
• Storage Temp.: 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

1-Ethyl-3,3-dimethyl-2-methyleneindoline 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Ethyl-2-methylene-3,3-dimethylindoline

There total 7 articles about 1-Ethyl-2-methylene-3,3-dimethylindoline 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: 94.0%

1-ethyl-2,3,3-trimethylindolium iodide (14134-81-7) → 3,3-dimethyl-2-methylene-1-ethyl-2,3-dihydro-1H-indole (73718-62-4)

Guidance literature:

With sodium hydroxide; In water; at 20 ℃; for 1h;

Reference yield:

1-ethyl-2,3,3-trimethyl-3H-indol-1-ium bromide → 3,3-dimethyl-2-methylene-1-ethyl-2,3-dihydro-1H-indole (73718-62-4)

Guidance literature:

With sodium hydroxide; In water; at 25 ℃; for 0.166667h;

Reference yield:

2,3,3-trimethylindoleniune (1640-39-7) + ethyl bromide (74-96-4) → 3,3-dimethyl-2-methylene-1-ethyl-2,3-dihydro-1H-indole (73718-62-4)

Guidance literature:

In acetonitrile; at 75 ℃; for 64h; Temperature; Inert atmosphere;

upstream raw materials:

1-ethyl-2,3,3-trimethylindolium iodide

2,3,3-trimethylindoleniune

3-methyl-butan-2-one

phenylhydrazine

Downstream raw materials:

1-ethyl-3,3-dimethyl-1,3-dihydro-spiro[indole-2,2'-pyrano[3,2-h]quinoline]

C₂₄H₂₀N₄

C₁₅H₁₈ClNO

C₃₃H₃₃NOP⁽¹⁺⁾*Cl^(1-)

Refernces

• 1、 -. "Novel spiropyran-bipyridine derivative and application thereof to naked-eye detection for copper (II)". . . Retrieved 2019/02/04.
• 2、 -. "Water-soluble indoline spironaphthoxazine quaternary ammonium salt additive, preparation method and application thereof". . . Retrieved 2017/08/30.