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C100005

Sigma-Aldrich

1,3-Cyclohexadiene

contains 0.05% BHT as inhibitor, 97%

Synonym(s):

1,2-Dihydrobenzene

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About This Item

Empirical Formula (Hill Notation):
C6H8
CAS Number:
592-57-4
Molecular Weight:
80.13
Beilstein/REAXYS Number:
506024
EC Number:
209-764-1
MDL number:
MFCD00001532
UNSPSC Code:
12352100
PubChem Substance ID:
24892292
NACRES:
NA.22

Quality Level

100

assay

97%

form

liquid

contains

0.05% BHT as inhibitor

refractive index

n20/D 1.474 (lit.)

bp

80 °C (lit.)

density

0.841 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C1CC=CC=C1

InChI

1S/C6H8/c1-2-4-6-5-3-1/h1-4H,5-6H2

InChI key

MGNZXYYWBUKAII-UHFFFAOYSA-N

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application

1,3-Cyclohexadiene can undergo:
  • C-C coupling with aromatic alcohols via iridium-catalyzed hydrogen auto-transfer and with aldehydes via transfer hydrogenation mediated by isopropanol to form carbonyl addition products.
  • Living anionic polymerization with n-BuLi/TMEDA system to form polycyclohexadiene.
  • Platinum-catalyzed silaboration to form (1R,4S)-1-(dimethylphenylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-cyclohexene.
  • Aerobic palladium-catalyzed 1,4-diacetoxylation in the presence of cobalt tetra(hydroquinone)porphyrin as an electron transfer reagent.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H335

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

66.0 °F

flash_point_c

18.9 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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Andrew D Cohen et al.
Journal of the American Chemical Society, 125(6), 1444-1445 (2003-02-06)
Benzoyl nitroside (5) was generated in solution by laser photolysis of 3,5-diphenyl-1,2,4-oxadiazole-4-oxide (4) and studied by time-resolved infrared spectroscopy. The second-order rate constants for reaction of 5 with diethylamine and 1,3-cyclohexadiene were determined to be (1.3 +/- 0.5) x 10(5)
John F Bower et al.
Organic letters, 10(5), 1033-1035 (2008-02-08)
Under hydrogen autotransfer conditions employing a catalyst derived from [Ir(cod)Cl]2 and BIPHEP, 1,3-cyclohexadiene (CHD) couples to benzylic alcohols 1a-9a to furnish carbonyl addition products 1c-9c, which appear as single diastereomers with variable quantities of regioisomeric adducts 1d-9d. Under related transfer
Xiang-Shan Wang et al.
Journal of combinatorial chemistry, 11(6), 1011-1022 (2009-09-22)
An efficient and green method for the synthesis of highly substituted cyclohexa-1,3-diene, polyhydroindene, polyhydronaphthalene, isochromene, isothiochromene, and isoquinoline derivatives has been developed. The synthesis was achieved by using a multicomponent procedure in ionic liquid media. The features of this procedure
Sarah J Ryan et al.
Journal of the American Chemical Society, 133(13), 4694-4697 (2011-03-12)
Herein we report the first all-carbon N-heterocyclic carbene-catalyzed (4 + 2) cycloaddition. The reaction proceeds with α,β-unsaturated acid fluorides and silyl dienol ethers and produces 1,3-cyclohexadienes with complete diastereocontrol (dr >20:1) while demonstrating a new type of reaction cascade exploiting
Nicolas J Saettel et al.
Journal of the American Chemical Society, 124(38), 11552-11559 (2002-09-19)
The electron-transfer-catalyzed Diels-Alder reaction of indole and 1,3-cyclohexadiene was studied by a combination of experimental and theoretical methods. The (13)C kinetic isotope effects were determined at natural abundance by NMR methodology. B3LYP/6-31G* calculations allow for the first time a quantitatively
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