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341258

Sigma-Aldrich

4,4-Dimethyl-1,3-cyclohexanedione

98%

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Linear Formula:
(CH3)2C6H6(=O)2
CAS Number:
Molecular Weight:
140.18
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

bp

130 °C/7 mmHg (lit.)

mp

103-105 °C (lit.)

SMILES string

CC1(C)CCC(=O)CC1=O

InChI

1S/C8H12O2/c1-8(2)4-3-6(9)5-7(8)10/h3-5H2,1-2H3

InChI key

PLGPBTCNKJQJHQ-UHFFFAOYSA-N

Related Categories

General description

Standard molar enthalpy of formation of 4,4-dimethyl-1,3-cyclohexanedione in the gaseous state at 298.15K has been determined.

Application

4,4-Dimethyl-1,3-cyclohexanedione was employed in the synthesis of series of 4-aryl-6,6-dimethyl-1,2,3,4,5,6,7,8- octahydroquinazoline-2,5-diones via Biginelli reaction.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Thermochemical and theoretical studies on cyclohexanediones.
Pilcher G, et al.
The Journal of Physical Chemistry, 97(1), 243-247 (1993)
S Saraç et al.
Die Pharmazie, 56(4), 298-302 (2001-05-08)
In this study, a series of 4-aryl-6,6-dimethyl-1,2,3,4,5,6,7,8- octahydroquinazoline-2,5-diones were synthesized by condensing urea with 4,4-dimethyl-1,3-cyclohexanedione and appropriate aromatic aldehydes according to the Biginelli reaction. The structures of the compounds were characterized by spectroscopic methods. The racemic compounds were resolved into

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