3(2H)-isoflavene

Base Information

• Chemical Name: 3(2H)-isoflavene
• CAS No.: 6054-00-8
• Molecular Formula: C15H12 O
• Molecular Weight: 208.26
• Hs Code.: 2902909090
• Mol file: 6054-00-8.mol

Synonyms:3-Isoflavene;3-Phenyl-3-chromene; Isoflavene

Chemical Property of 3(2H)-isoflavene

Chemical Property:

• Vapor Pressure: 0.000169mmHg at 25°C
• Boiling Point: 340.5°C at 760 mmHg
• Flash Point: 156.3°C
• PSA: 9.23000
• Density: 1.139g/cm³
• LogP: 3.61960

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3(2H)-isoflavene

There total 25 articles about 3(2H)-isoflavene 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: 80.0%

[2-(2-oxo-2-phenylethoxy)benzyl]triphenylphosphonium bromide (109790-41-2) → 3-phenyl-2H-benzopyran (6054-00-8)

Guidance literature:

With sodium; In ethanol; for 12h; Ambient temperature;

DOI:10.1016/0223-5234(87)90005-5

Reference yield: 80.0%

3-Phenyl-1-benzopyrylium perchlorate → 3-phenyl-2H-benzopyran (6054-00-8) + isoflav-2-ene (21834-62-8)

Guidance literature:

With potassium borohydride; In tetrahydrofuran;

DOI:10.1016/S0040-4039(00)88245-3

Reference yield: 70.0%

C22H18O2 → 3-phenyl-2H-benzopyran (6054-00-8)

Guidance literature:

With iron(III) chloride; In 1,2-dichloro-ethane; at 20 ℃; for 1h; Inert atmosphere;

DOI:10.1002/anie.201604349

upstream raw materials:

2H-chromene

iodobenzene

(E)-β-[2-hydroxyphenylethylene]benzeneethanol

C₁₅H₁₃BrO

Downstream raw materials:

2-(1-Ethyl-2-phenyl-allyl)-phenol

Isoflavan

(S)-3-phenylchromane

Refernces

• 1、 Hosoya, Takamitsu,Karaki, Fumika,Minami, Yasunori,Nishiyama, Yoshitake,Sakata, Yuki,Tamura, Yuya,Yoshida, Suguru. "Synthesis of multisubstituted cycloalkenes through carbomagnesiation of strained cycloalkynes". . p. 7147 - 7150. Retrieved 2020/07/21.
• 2、 Xia, Jingzhao,Nie, Yu,Yang, Guoqiang,Liu, Yangang,Zhang, Wanbin. "Iridium-Catalyzed Asymmetric Hydrogenation of 2H-Chromenes: A Highly Enantioselective Approach to Isoflavan Derivatives". supporting information. p. 4884 - 4887. Retrieved 2017/09/23.