2,4,6-Triphenyl-4H-pyran

Base Information

• Chemical Name: 2,4,6-Triphenyl-4H-pyran
• CAS No.: 801-06-9
• Molecular Formula: C23H18O
• Molecular Weight: 310.395
• Mol file: 801-06-9.mol

Synonyms:GIPVJEYAHJLFPQ-UHFFFAOYSA;4H-Pyran,2,4,6-triphenyl;InChI=1/C23H18O/c1-4-10-18(11-5-1)21-16-22(19-12-6-2-7-13-19)24-23(17-21)20-14-8-3-9-15-20/h1-17,21H;

Chemical Property of 2,4,6-Triphenyl-4H-pyran

Chemical Property:

• PSA: 9.23000
• LogP: 5.88260

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,4,6-Triphenyl-4H-pyran

There total 6 articles about 2,4,6-Triphenyl-4H-pyran 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: 76.0%

1,3,5-triphenyl-1,5-pentanedione (6263-84-9) → 2,4,6-triphenyl-4H-pyran (801-06-9)

Guidance literature:

With boron trifluoride diethyl etherate; acetic anhydride; In diethyl ether; for 6h;

DOI:10.1007/BF00529364

Reference yield:

2,4,6-triphenylpyrilium perchlorate (1484-88-4,52991-61-4) → 2,4,6-triphenyl-4H-pyran (801-06-9) + (Z,E)-1,3,5-triphenyl-penta-2,4-dien-1-one (52762-76-2)

Guidance literature:

With sodium tetrahydroborate; acetic acid; Yield given. Yields of byproduct given; Ambient temperature;

DOI:10.1016/S0040-4039(00)95365-6

Reference yield:

2,4,6-triphenylpyrylium tetrafluoroborate (448-61-3) → 2,4,6-triphenyl-4H-pyran (801-06-9) + 2,4,6-triphenyl-2H-pyran (23800-59-1)

Guidance literature:

With sodium cyanoborohydride; In acetonitrile; at 25 ℃; Further Variations:; Reagents; Activation energy;

DOI:10.1002/poc.532

upstream raw materials:

1,3,5-triphenyl-1,5-pentanedione

2,4,6-triphenylpyrilium perchlorate

2,4,6-triphenylpyrylium tetrafluoroborate

benzaldehyde

Downstream raw materials:

2,4,6-triphenyl-4H-selenopyran

(3,5-Diphenyl-furan-2-yl)-phenyl-methanone

1,3,5-Triphenyl-2-pentene-1,5-dione

2,4,6-triphenyl-3-formyl-4H-pyran

Refernces

• 1、 Heyes, David,Menon, Ramesh S.,Watt,Wiseman, Jake,Kubinski, Przemyslaw. "Substituent effects in reductions of heteroaromatic cations". . p. 689 - 700. Retrieved 2007/10/03.
• 2、 Blinokhvatov, A. F.,Markovtseva, O. V.,Nikolaeva, M. N.. "SYNTHESIS OF 4H-PYRANS BY O-CYCLIZATION OF 1,5-DIKETONES". . p. 266 - 268. Retrieved 2007/10/02.