Chemical Science Papers by Evan Weinberg
Our methods used herein provided numerical solutions to the energies of frontier orbitals for a s... more Our methods used herein provided numerical solutions to the energies of frontier orbitals for a sample of Donor-Acceptor polymers units. Subsequent analysis by linear regression evaluated this data for how effective quantum calculations model experimental results.
– The target molecule in this synthesis was moclobemide. From two starting materials, an acylatio... more – The target molecule in this synthesis was moclobemide. From two starting materials, an acylation reaction between an acid chloride and an amine, generated the amide, moclobemide. Product yield was low. FTIR spectroscopy confirmed the presence of an amide functionality, the key connection between starting materials. 1H NMR analysis elucidated structural features and qualitatively described product purity.
An array of spectrometric and spectroscopic techniques were used herein to elucidate the structur... more An array of spectrometric and spectroscopic techniques were used herein to elucidate the structure of a particular organic small molecule. Our unknown sample, empirically found to have the molecular formula C14H12N2O2, was significant for containing both asymmetric and symmetric NO stretching at frequencies 1524 and 1346 cm-1 , suggesting an aromatic nitro group. An ensemble of NMR experiments were played together, and when in harmony with additional analytical methods, suggest this unknown organic small molecule to be (E)-1-(4-nitrophenyl)-N-(p-tolyl)methanimine.
! Synthetic transformations, which involve the catalytic reduction of prochiral ketone functional... more ! Synthetic transformations, which involve the catalytic reduction of prochiral ketone functional groups to their respective chiral secondary alcohol, in the absence of molecular hydrogen, is the catalytic transfer hydrogenation of ketones; this particular variety of catalytic hydrogenations—generally depicted in scheme-1—involves the substrate in an alcoholic solvent system, with a transition metal catalyst; this molecular system requires a catalyst promotor, typically the alkoxide salt derived from the alcoholic solvent. [1] This redox process involves the substrate, which reduced to an alcohol, and the solvent system, which is oxidized to a carbonyl. Herein, we review recent advances in this field. In particular, we'll examine asymmetric transfer hydrogenations (ATH) that use iron as their transition metal catalyst; further, we'll describe its broader applications—variations, limitations, potential workarounds, and/or solutions. This area of active research stands on the shoulders of giants, and enables us to discover new and optimized technologies. Oh look, here's the giant whom won the 2001 Nobel Prize in chemistry, now.
Psychological Science Papers by Evan Weinberg
The forebrain is composed of cortical & subcortical structures. The latter includes the hypothala... more The forebrain is composed of cortical & subcortical structures. The latter includes the hypothalamus, thalamus, and limbic structures. The limbic structures encircle the thalamus, and comprise the amygdala, hippocampus, and cingulate gyrus. Together, the subcortical structures mediate exploratory behaviour and basic drives, such as: fighting, fleeing, feeding, and mating. The cortical division may be conceptualized to include the frontal, temporal, parietal, and occipital lobes. These areas in effect modulate basic behaviour. The interconnection between these divisions produce duel processes in brain function with respect to emotion and cognition. The subcortical, emotional system, is automatic; stimuli which produce fear may cause avoidance/defensive behaviour. The cortical, cognitive system, is calculated; fear producing stimuli may undergo appraisal, potentially evoking approach/aggressive behaviour.
Synthetic Organic Reactions & Mechanisms by Evan Weinberg
This synthetic method may be used as a means to incorporate pyridine into a target molecule. We e... more This synthetic method may be used as a means to incorporate pyridine into a target molecule. We envision this coupling reaction as occurring in the tertiary steps of a convergent synthesis.
Geoscience Papers by Evan Weinberg
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This is a report on the contamination of an ideal system for tutorial and exemplary purposes.
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Chemical Science Papers by Evan Weinberg
Psychological Science Papers by Evan Weinberg
Synthetic Organic Reactions & Mechanisms by Evan Weinberg
Geoscience Papers by Evan Weinberg