| 词条 | 1,2,3,4-Tetraphenylnaphthalene |
| 释义 |
| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477183662 | Reference =[1] | ImageFileL1 = Tetraphenylnaphthalene.png | ImageAltL1 = Skeletal formula | ImageFileR1 = Tetraphenylnaphthalene-3D-balls.png | ImageAltR1 = Ball-and-stick model | IUPACName =1,2,3,4-Tetra(phenyl)naphthalene | OtherNames = |Section1={{Chembox Identifiers | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 62982 | InChI = 1/C34H24/c1-5-15-25(16-6-1)31-29-23-13-14-24-30(29)32(26-17-7-2-8-18-26)34(28-21-11-4-12-22-28)33(31)27-19-9-3-10-20-27/h1-24H | SMILES1 = c15ccccc1c(c2ccccc2)c(c3ccccc3)c(c4ccccc4)c5c6ccccc6 | InChIKey = UCTTYTFENYGAPP-UHFFFAOYAS | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/C34H24/c1-5-15-25(16-6-1)31-29-23-13-14-24-30(29)32(26-17-7-2-8-18-26)34(28-21-11-4-12-22-28)33(31)27-19-9-3-10-20-27/h1-24H | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = UCTTYTFENYGAPP-UHFFFAOYSA-N | CASNo_Ref = {{cascite|changed|??}} | CASNo =751-38-2 | PubChem =69783 | SMILES =C1=CC=C(C=C1)C2=C(C(=C(C3=CC=CC=C32)C4=CC=CC=C4)C5=CC=CC=C5)C6=CC=CC=C6 |Section2={{Chembox Properties | Formula =C{{sub|34}}H{{sub|24}} | MolarMass =432.55 g/mol | Appearance = | Density = | MeltingPtC = 199 to 201 | MeltingPt_notes = | BoilingPt = | Solubility = |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = | RPhrases ={{R36/37/38}} | SPhrases ={{S26}} {{S36}} }} 1,2,3,4-Tetraphenylnaphthalene is a polycyclic aromatic hydrocarbon commonly prepared in the undergraduate teaching laboratory as an introduction to the Diels-Alder reaction, in this case between benzyne, which acts as the dienophile, (generated in situ) and tetraphenylcyclopentadienone, which acts as the diene.[2] It has two crystalline forms, and therefore has two different melting points. References1. ^1,2,3,4-Tetraphenylnaphthalene at Sigma-Aldrich {{DEFAULTSORT:Tetraphenylnaphthalene, 1, 2, 3, 4-}}{{aromatic-stub}}2. ^Organic Syntheses, Coll. Vol. 5, p.1037 (1973); Vol. 46, p.107 (1966). Link 1 : Naphthalenes |
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