The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2,6-Dimethyl-3,5-heptanedione, is researched, Molecular C9H16O2, CAS is 18362-64-6, about Enthalpies of vaporization of β-diketones, the main research direction is vaporization heat aliphatic diketone.Quality Control of 2,6-Dimethyl-3,5-heptanedione.
The enthalpies of vaporization (ΔHv0) of 1,1,1,5,5,5-hexafluoro-2,4-pentanedione [1522-22-1], 1,1,1-trifluoro-2,4-pentanedione [367-57-7], and 4 Me2CRCOCH2COCMeR1R2 (R, R1, R2 = H, Me), e.g. 2,2,6,6-tetramethyl-3,5-heptanedione [1118-71-4], were determined by calorimetry. A graph of ΔHv0 against b.p. for the 7 diketones and (MeCO)2CH2 wasa smooth weakly convex curve. The increments of ΔHv0 by CH2 groups were close to those in aliphatic ketones.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica