Photoinduced rotamerization and dissociation of  o -fluorobenzoyl chloride in solid Ar

Tanaka, Nobuaki; Nakamura, Kohei; Yutaka, Masatoshi; Nishikiori, Hiromasa

doi:10.1016/j.cplett.2014.08.053

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2014

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“…Unlike the photoinduced reactions of chloroacetyl chloride [24] and o-fluorobenzoyl chloride [30] in solid Ar, where the rotational isomerisation reached an equilibrium and the less stable conformer was decomposed upon further irradiation, in our case the concentration of syn-chloroacetone continued to grow during the entire irradiation period, as shown in Figure 2. This might indicate that in the photolysis of Fig.…”

Section: Identification Of Additional Productsmentioning

confidence: 79%

Photoinduced reactions of chloroacetone in solid Ar: Identification of CH 2 COClCH 3

Tanaka¹,

Urashima²,

Nishikiori³

2014

Chemical Physics Letters

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The UV light-induced reactions of chloroacetone in a cryogenic Ar matrix were investigated using infrared spectroscopy. The photoinduced isomerisations of gauche-chloroacetone to syn-chloroacetone and hypochlorous acid 1-methylethenyl ester were confirmed by comparing the experimental and calculated spectra. In addition, the photolysis products were found to be CH2=C=O and a cyclopropanone•••HCl complex. The cyclopropanone•••HCl complex was further decomposed into CH2=CH2, CO and HCl. The hypochlorous acid 1-methylethenyl ester was further isomerised to 2-chloro-2-methyloxirane.

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Section: Identification Of Additional Productsmentioning

confidence: 79%