Synthesis and study of new photochromic spiropyrans modified with carboxylic and aldehyde substituents von Ozhogin, Ilya V., Chernyavina, Valentina V., Lukyanov, Boris S., Malay, Vasily I., Rostovtseva, Irina A., Makarova, Nadezhda I., Tkachev, Valery V., Lukyanova, Maria B., Metelitsa, Anatoly V., Aldoshin, Sergey M.

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Facile approach to N,O,S-heteropentacycles via condensation of sterically crowded 3H-phenoxazin-3-one with ortho-substituted anilines von Ivakhnenko, Eugeny, Malay, Vasily, Knyazev, Pavel, Merezhko, Nikita, Makarova, Nadezhda, Demidov, Oleg, Borodkin, Gennady, Starikov, Andrey, Minkin, Vladimir

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An access to 1H-cyclopenta[b]pyridine-4,5-diones via condensation of 6-nitro-1,2-o-quinone with arylamines and acetone von Ivakhnenko, Eugeny, Malay, Vasily, Demidov, Oleg, Starikov, Andrey, Minkin, Vladimir

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A new heteropentacyclic system via coupling sterically crowded o -benzoquinone with o -phenylenediamines von Ivakhnenko, Eugeny, Malay, Vasily, Demidov, Oleg, Knyazev, Pavel, Makarova, Nadezhda, Minkin, Vladimir

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A new heteropentacyclic system coupling sterically crowded -benzoquinone with -phenylenediamines von Ivakhnenko, Eugeny, Malay, Vasily, Demidov, Oleg, Knyazev, Pavel, Makarova, Nadezhda, Minkin, Vladimir

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Michael addition of amines to sterically crowded ortho-benzoquinone completed with unprecedented 1,2-shift of a tert-butyl group von Ivakhnenko, Eugeny, Malay, Vasily, Romanenko, Galina, Demidov, Oleg, Knyazev, Pavel, Starikov, Andrey, Minkin, Vladimir

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Facile approach to N,O,S-heteropentacycles via condensation of sterically crowded 3 H -phenoxazin-3-one with ortho- substituted anilines von Ivakhnenko, Eugeny, Malay, Vasily, Knyazev, Pavel, Merezhko, Nikita, Makarova, Nadezhda, Demidov, Oleg, Borodkin, Gennady, Starikov, Andrey, Minkin, Vladimir

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