The Journal of organic chemistry, 76(19), 8059-8063 (2011-08-26)
The asymmetric synthesis of novel cyclohexene nucleoside analogues 12 and 15 is described. An enantiospecific Diels-Alder reaction between (E,E)-diene 2 and (+)-5-(d-mentyloxy)-2(5H)-furanone 3 provided the cycloadduct isomer 4. Three additional steps yielded amine 8 allowing the constructions of the thymine
Physical chemistry chemical physics : PCCP, 13(23), 10952-10964 (2011-03-29)
The gas-phase ozonolysis of cyclic-alkenes (1-methyl-cyclohexene, methylene-cyclohexane, α-pinene, β-pinene) is studied with respect to the pressure dependent formation of secondary organic aerosol (SOA). We find that SOA formation is substantially suppressed at lower pressures for all alkenes under study. The
The journal of physical chemistry. A, 116(25), 6720-6730 (2012-05-29)
Earlier synchrotron photoionization mass spectrometry experiments suggested a prominent ring-opening channel in the OH-initiated oxidation of cyclohexene, based on comparison of product photoionization spectra with calculated spectra of possible isomers. The present work re-examines the OH + cyclohexene reaction, measuring
Chemistry (Weinheim an der Bergstrasse, Germany), 19(4), 1288-1302 (2013-01-09)
The static and dynamic stereochemistry of unsubstituted δ-valerolactone, all monomethylated δ-lactones, and all nongeminally dimethylated δ-lactones was explored with the B3LYP functional and def2-TZVPP basis set. A search strategy was employed which allowed the entire conformational space of any (poly-)substituted
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