9-(9H-Xanthen-9-ylidene)-9H-xanthene

Base Information

• Chemical Name: 9-(9H-Xanthen-9-ylidene)-9H-xanthene
• CAS No.: 517-45-3
• Molecular Formula: C26H16O2
• Molecular Weight: 360.412
• Hs Code.: 2934999090
• European Community (EC) Number: 208-241-5
• NSC Number: 15906
• DSSTox Substance ID: DTXSID80199648
• Nikkaji Number: J182.275F
• Wikidata: Q83072575
• Mol file: 517-45-3.mol

Synonyms:517-45-3;9,9'-Dixanthylidene;9-(9H-Xanthen-9-ylidene)-9H-xanthene;9-xanthen-9-ylidenexanthene;Dixanthylene;9,9-DIXANTHYLIDENE;EINECS 208-241-5;9H-Xanthene, 9-(9H-xanthen-9-ylidene)-;Bixanthylidene;Dixanthylidene;NSC15906;MFCD00597968;.DELTA.9,9'-Bixanthene;SCHEMBL302174;delta9,9'-Bi(9H-xanthene);SXXWAWNPJCEOGD-UHFFFAOYSA-;DTXSID80199648;C26H16O2;NSC 15906;NSC-15906;AKOS024348960;C26-H16-O2

Chemical Property of 9-(9H-Xanthen-9-ylidene)-9H-xanthene

Chemical Property:

• Melting Point: 318-320 °C
• Boiling Point: 494.2 °C at 760 mmHg
• Flash Point: 188.4 °C
• PSA: 18.46000
• Density: 1.3 g/cm³
• LogP: 6.90540
• XLogP3: 5.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 360.115029749
• Heavy Atom Count: 28
• Complexity: 510

Purity/Quality:

98%min ^*data from raw suppliers

9,9'-DIXANTHYLIDENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C(=C3C4=CC=CC=C4OC5=CC=CC=C53)C6=CC=CC=C6O2

Technology Process of 9-(9H-Xanthen-9-ylidene)-9H-xanthene

There total 29 articles about 9-(9H-Xanthen-9-ylidene)-9H-xanthene 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: 78.0%

xanth-9-one (90-47-1) → 9-(9H-xanthene-9-ylidene)-9H-xanthene (517-45-3)

Guidance literature:

With woollins’ reagent; In toluene; for 20h; Heating;

DOI:10.1039/b702818k

Reference yield: 50.0%

xanth-9-one (90-47-1) → 9,9'-bixanthene (4381-14-0) + 9-(9H-xanthene-9-ylidene)-9H-xanthene (517-45-3)

Guidance literature:

With aluminium trichloride; aluminium; In acetonitrile; at 35 ℃; for 4h; irradiation of ultrasonic wave;

DOI:10.1016/S0040-4039(00)97571-3

Reference yield:

xanthene (92-83-1) + 1-isopropenyl-4-methoxybenzene (1712-69-2) → 1-methoxy-4-(1-methylethyl)benzene (4132-48-3) + 9-(9H-xanthene-9-ylidene)-9H-xanthene (517-45-3)

Guidance literature:

In various solvent(s); at 280 - 320 ℃; Rate constant; Thermodynamic data; ΔG(excit.), ΔH(excit.), ΔS(excit.);

DOI:10.1002/jlac.199719970216

upstream raw materials:

xanth-9-one

9H-xanthene-9-thione

diethyl ether

adduct of xanthene to xanthone

Downstream raw materials:

9H-xanthene-9-thione

xanth-9-one

Refernces

• 1、 Doyle, Lorna M.,Gericke, Robert,McDonald, Aidan R.,Panda, Chakadola. "Rapid Iron(III)?Fluoride-Mediated Hydrogen Atom Transfer". supporting information. p. 26281 - 26286. Retrieved 2021/11/12.
• 2、 Hua, Guoxiong,Li, Yang,Slawin, Alexandra M. Z.,Woollins, J. Derek. "Stereoselective synthesis of olefins by a reductive coupling reaction". . p. 1477 - 1480. Retrieved 2007/10/03.