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Learning Tomography (LT) is a nonlinear optimization algorithm for computationally imaging three-dimensional (3D) distribution of the refractive index in semi-transparent samples. Since the energy function in LT is generally non-convex, the solution it obtains is not guaranteed to be globally optimal. In this paper, we describe linear and nonlinear tomographic reconstruction methods and compare them...
We report a practical and rapid one-pot synthesis of arylidene rhodanine derivatives by condensation between primary amines, aldehydes, ethyl chloroacetate, and carbon disulfide in polyethylene glycol (PEG) at room temperature or additionally with ultrasonic irradiation. A variety of medicinally important rhodanine derivatives can be obtained from simple starting materials in high yields and purity...
An environmentally benign, one-pot, four-component synthesis of chemically and pharmaceutically interesting dithiocarbamate derivatives is reported. The one-pot reaction of various aromatic aldehydes, ketones, aliphatic amines, and carbon disulfide, in the presence of potassium hydroxide in urea-choline chloride deep eutectic solvent or ethanol, leads to the corresponding dithiocarbamates in good...
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