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Merck

252832

Sigma-Aldrich

Tropone

97%

Sinónimos:

2,4,6-Cycloheptatrien-1-one

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About This Item

Fórmula empírica (notación de Hill):
C7H6O
Número de CAS:
Peso molecular:
106.12
Beilstein/REAXYS Number:
1902335
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

97%

form

liquid

refractive index

n20/D 1.615 (lit.)

bp

113 °C/15 mmHg (lit.)

density

1.094 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

O=C1C=CC=CC=C1

InChI

1S/C7H6O/c8-7-5-3-1-2-4-6-7/h1-6H

InChI key

QVWDCTQRORVHHT-UHFFFAOYSA-N

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General description

Metal-catalyzed [6+3] cycloaddition of tropone with azomethine ylides has been reported.

Application

Tropone has been used in synthesis of:
  • bicyclic δ-lactones via heterocyclic carbine-catalyzed [8+3] annulation pathway
  • 6,7-benzobicyclo [3.2.2] nona-3,6,8-trien-2-one via thermal addition to bezyne

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


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Young-Sun Do et al.
The Journal of organic chemistry, 74(2), 917-920 (2008-12-05)
A ring-expansion protocol that consisted of the 1,2-addition of various enolate nucleophiles to 6-trimethylsiloxy-2-cyclohexene-1-one (1) and the NaIO(4)-promoted oxidative ring opening of the resulting diols 2, followed by an intramolecular Knoevenagel condensation, furnished versatile dihydrotropones 6. Maintaining Z-configuration in the
M Carmen Carreño et al.
Chemical communications (Cambridge, England), (8)(8), 1007-1009 (2005-02-19)
Synthesis of 4-aminotropones through a cyclization-ring expansion process occurs in a single step and with excellent yields from 4-amino-2,5-cyclohexadienones (p-quinamines) bearing a 4-sulfinyl or sulfonyl methyl group.
Marie Varin et al.
The Journal of organic chemistry, 72(17), 6421-6426 (2007-07-28)
In this paper we report the rearrangement of spirocyclohexadienones into dihydrotropones in basic conditions as a new method for the preparation of seven-membered ring ketones, which are key building blocks for the synthesis of tropoloalkaloids. DFT calculations and deuterium labeling
Strahil Berkov et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 59(3-4), 184-186 (2004-07-10)
The alkaloid spectra of Datura innoxia plants grown in Egypt and Bulgaria were investigated by GC-MS. Thirty-eight alkaloids were detected in the roots, leaves and fruits of the plants. Five new alkaloids for D. innoxia are reported. Alkaloid spectra of
Reaction of tropone with benzyne. Formation and photoisomerization of 6, 7-benzobicyclo [3.2. 2] nona-3, 6, 8-trien-2-one.
Ciabattoni J, et al.
Journal of the American Chemical Society, 89(11), 2778-2779 (1967)

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