1-(1-Methylethylidene)-1H-indene

Base Information

• Chemical Name: 1-(1-Methylethylidene)-1H-indene
• CAS No.: 34472-48-5
• Molecular Formula: C12H12
• Molecular Weight: 156.227
• Hs Code.: 2902909090
• European Community (EC) Number: 252-054-1
• UNII: D4T9Y57K9M
• DSSTox Substance ID: DTXSID80188037
• Nikkaji Number: J250.902D
• Wikidata: Q83059813
• Mol file: 34472-48-5.mol

Synonyms:1-(1-Methylethylidene)-1H-indene;34472-48-5;1-isopropylideneindene;EINECS 252-054-1;D4T9Y57K9M;1H-Indene, 1-(1-methylethylidene)-;1-propan-2-ylideneindene;3-Isopropylideninden;1-Isopropylidene-1H-indene;UNII-D4T9Y57K9M;DTXSID80188037

Chemical Property of 1-(1-Methylethylidene)-1H-indene

Chemical Property:

• Vapor Pressure: 0.0362mmHg at 25°C
• Boiling Point: 249.4°Cat760mmHg
• Flash Point: 99.6°C
• PSA: 0.00000
• Density: 1.016g/cm³
• LogP: 3.50680
• XLogP3: 3.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 156.093900383
• Heavy Atom Count: 12
• Complexity: 228

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(=C1C=CC2=CC=CC=C21)C

Technology Process of 1-(1-Methylethylidene)-1H-indene

There total 22 articles about 1-(1-Methylethylidene)-1H-indene 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: 82.0%

acetone (67-64-1) + 1-indene (95-13-6) → 1-(1-methylethylidene)-1H-indene (34472-48-5)

Guidance literature:

With sodium methylate; at 55 - 70 ℃;

Reference yield: 41.0%

1-ethynyl-2-(2-methylprop-1-en-1-yl)benzene (819871-78-8) → 1-(1-methylethylidene)-1H-indene (34472-48-5) + dimethyl-1,2 naphtalene (573-98-8) + 2-(prop-1-en-2-yl)-1H-indene (38740-43-1)

Guidance literature:

With TpRu(PPh₃)(CH₃CN)2PF₆; In toluene; at 80 ℃; for 12h; Further Variations:; Solvents; Temperatures; Product distribution;

Reference yield:

1-(2-chloro-2-propyl)indene (64909-94-0) → 1-(1-methylethylidene)-1H-indene (34472-48-5) + 1-(2-methoxy-2-propyl)indene (64909-95-1) + 2-methoxy-1-isopropylideneindan (102101-29-1) + 3-(1-methoxy-1-methylethyl)indene (118719-20-3)

Guidance literature:

With pyridine; In methanol; at 30 ℃; Further byproducts given;

DOI:10.1021/ja00311a045

upstream raw materials:

2-(1H-inden-1-yl)-propan-2-ol

acetone

1-indene

methanol

Downstream raw materials:

1-Isopropylindan

1-isopropyl-1H-indene

benzene-1,2-dicarboxylic acid

acetone