2,2-Diphenyl-2H-chromene

Base Information

• Chemical Name: 2,2-Diphenyl-2H-chromene
• CAS No.: 4222-08-6
• Molecular Formula: C21H16O
• Molecular Weight: 284.357
• Hs Code.: 2902909090
• NSC Number: 115119
• DSSTox Substance ID: DTXSID60297292
• Nikkaji Number: J109.863B
• Wikidata: Q82038318
• Mol file: 4222-08-6.mol

Synonyms:4222-08-6;2,2-Diphenyl-2H-chromene;2,2-diphenylchromene;2H-1-Benzopyran, 2,2-diphenyl-;NSC115119;Oprea1_615184;Oprea1_740902;2H-1-Benzopyran,2-diphenyl-;2,2-Diphenyl-2H-chromene #;SCHEMBL8871056;DTXSID60297292;IOZRRXQDBILMFX-UHFFFAOYSA-N;AKOS001047724;NSC-115119;Z56874206

Chemical Property of 2,2-Diphenyl-2H-chromene

Chemical Property:

• Vapor Pressure: 3.81E-07mmHg at 25°C
• Boiling Point: 428.4°C at 760 mmHg
• Flash Point: 212.3°C
• PSA: 9.23000
• Density: 1.149g/cm³
• LogP: 5.03600
• XLogP3: 5.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 2
• Exact Mass: 284.120115130
• Heavy Atom Count: 22
• Complexity: 369

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2(C=CC3=CC=CC=C3O2)C4=CC=CC=C4

Technology Process of 2,2-Diphenyl-2H-chromene

There total 10 articles about 2,2-Diphenyl-2H-chromene 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%

3,3-diphenyl-2-propenal (1210-39-5) + 2-(trimethylsilyl)phenyl trifluoromethanesulfonate (88284-48-4) → 2,2-diphenyl-2H-1-benzopyran (4222-08-6)

Guidance literature:

With cesium fluoride; In toluene; acetonitrile; at 75 ℃; for 36.5h;

DOI:10.1002/ejoc.201200042

Reference yield: 79.0%

1-bromo-2-(1-phenylpropen-1-yl)benzene (24892-82-8) + N’-(2-hydroxybenzylidene)-4-methylbenzene-1-sulfonohydrazide (1666-14-4) → (2-benzofuryl)diphenylmethane (95703-26-7) + 2,2-diphenyl-2H-1-benzopyran (4222-08-6)

Guidance literature:

With bis(η3-allyl-μ-chloropalladium(II)); potassium carbonate; 1,4-di(diphenylphosphino)-butane; In 2-methyltetrahydrofuran; at 100 ℃; for 6h; regioselective reaction; Schlenk technique; Inert atmosphere;

DOI:10.1039/d0ob00978d

Reference yield: 78.0%

1,1-diphenyl-2-propyn-1-ol (3923-52-2) + phenol (108-95-2,27073-41-2) → 2,2-diphenyl-2H-1-benzopyran (4222-08-6)

Guidance literature:

With β‐cyclodextrin; In water; at 60 ℃; for 5h; regioselective reaction; Green chemistry;

DOI:10.1002/adsc.201500358

upstream raw materials:

3-(2-hydroxy-phenyl)-1,1-diphenyl-allyl alcohol

1,1-diphenyl-2-propyn-1-ol

phenol

3,3-diphenyl-2-propenal

Downstream raw materials:

C₂₃H₂₃NO₂

C₂₄H₂₅NO

1,1-diphenyl-3-(2-hydroxyphenyl)-3-morpholino-1-propene

C₂₆H₂₇NO

Refernces

• 1、 Li, Ren,Jin, Fengyan,Song, Xian-Rong,Yang, Tao,Ding, Haixin,Yang, Ruchun,Xiao, Qiang,Liang, Yong-Min. "Acid-promoted cyclization of 2-propynolphenols leading to 4-tosyloxy-2H-chromenes". . p. 331 - 334. Retrieved 2019.
• 2、 Strudwick, Benjamin H.,O'Bryen, Christopher,Sanders, Hans J.,Woutersen, Sander,Buma, Wybren Jan. "Opening 2,2-diphenyl-2H-chromene to infrared light". . p. 11689 - 11696. Retrieved 2019/06/17.