5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate

Base Information

• Chemical Name: 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate
• CAS No.: 53217-56-4
• Molecular Formula: BF₄*C₂₇H₂₁O
• Molecular Weight: 448.268
• Mol file: 53217-56-4.mol

Synonyms:5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate

Chemical Property of 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate

There total 4 articles about 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate 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: 70.0%

2-benzylidene-1-tetralone (6261-32-1) + 3,4-dihydronaphthalene-1(2H)-one (529-34-0) → 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate (53217-56-4)

Guidance literature:

With boron trifluoride diethyl etherate; at 120 - 130 ℃; for 4h;

Reference yield: 70.0%

(E)-2-benzylidene-2,3-dihydro-1H-inden-1-one (5706-12-7) + 3,4-dihydronaphthalene-1(2H)-one (529-34-0) → 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate (53217-56-4)

Guidance literature:

With boron trifluoride diethyl etherate; at 120 - 130 ℃; for 4h;

Reference yield:

benzaldehyde (100-52-7) → 5,6,7,8-tetrahydro-7-phenyldibenzoxanthylium tetrafluoroborate (53217-56-4)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide / methanol; water / 0 - 20 °C / Inert atmosphere; Schlenk technique

2: tetrahydrofuran / 12 h / 0 - 85 °C / Schlenk technique; Inert atmosphere

With sodium hydroxide; In tetrahydrofuran; methanol; water;

DOI:10.1002/chem.202000412

upstream raw materials:

2-benzylidene-1-tetralone

3,4-dihydronaphthalene-1(2H)-one

(E)-2-benzylidene-2,3-dihydro-1H-inden-1-one

benzaldehyde

Downstream raw materials:

1-phenyl-5,6,8,9-tetrahydro-7-phenyldibenzo[c,h]acridinium tetrafluoroborate

14-benzyl-5,6,8,9-tetrahydro-7-phenyl-dibenzoacridinium tetrafluoroborate

C₃₀H₂₈NO⁽¹⁺⁾*BF₄^(1-)

C₂₈H₂₄N⁽¹⁺⁾*BF₄^(1-)

Refernces

• 1、 Elshafie, Sayed M. M.. "Note on an Improved Synthesis of Pyrylium Salts from Chalcones and Ketones in the Presence of Boron Trifluoride". . p. 149 - 154. Retrieved 2007/10/02.
• 2、 Katritzky, Alan R.,Thind, Sukhpal S.. "The Synthesis and Reactions of Sterically Constrained Pyrylium and Pyridinium Salts". . p. 1895 - 1900. Retrieved 2007/10/02.