O-NITROARYL-BIS(5-METHYLFUR-2-YL)METHANES AS VERSATILE SYNTHONS FOR THE SYNTHESIS OF NITROGEN-CONTAINING HETEROCYCLES

o-Nitroaryl-bis(5-methylfur-2-yl)methanes as Versatile Synthons for the Synthesis of Nitrogen-Containing Heterocycles

2-Nitroaryldifurylmethanes 1a and 1b, readily available by condensation of 2-nitrobenzaldehyde and 6-nitroveratraldehyde with 2-methylfuran, Brandy Glasses were transformed into indole, cinnoline and benzothiazine-3,1 derivatives.The reduction of 2-nitroaryldifurylmethanes gave the corresponding anilines 2a,b or indole 3 depending on the reaction c

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Decision Tree and Texture Analysis for Mapping Debris-Covered Glaciers in the Kangchenjunga Area, Eastern Himalaya

In this study we use visible, short-wave infrared and thermal Advanced Spaceborne Adapters Thermal Emission and Reflection Radiometer (ASTER) data validated with high-resolution Quickbird (QB) and Worldview2 (WV2) for mapping debris cover in the eastern Himalaya using two independent approaches: (a) a decision tree algorithm, and (b) texture analys

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