Search Results - "Spassov, Stefan"

Irradiation of Food, Current Legislation Framework, and Detection of Irradiated Foods by Stefanova, Rayna, Vasilev, Nikola V, Spassov, Stefan L

“…The review covers description of food irradiation process, the current status of global legislation background in the field of irradiated foodstuffs, and the…”
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Nuclear Magnetic Resonance Spectroscopy. Conformational Properties of Substituted 1,1-Difluorocyclohexanes by Spassov, Stefan L, Griffith, Dean L, Glazer, Edward S, Nagarajan, Kuppswamy, Roberts, John D

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Scutorientalin D, a neo-clerodane diterpenoid from Scutellaria orientalis subsp. pinnatifida by Malakov, Peter Y., Papanov, Georgi Y., Spassov, Stefan L.

“…A new neo-clerodane diterpenoid, scutorientalin D, was isolated from the acetone extract of the aerial parts of Scutellaria orientalis subsp. pinnatifida. The…”
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New Bioactive Chalcones in Propolis from El Salvador by Popova, Milena, Bankova, Vassya, Spassov, Stefan, Tsvetkova, Iva, Vides Silva, Mario, Tsartsarova, Maria, Naydenski, Christo

“…2′,3′-Dihydroxy-4,4′-dimethoxychalcone (1) and 2′,3′,4-trihydroxy-4′-methoxy-chalcone, two new chalcones, were isolated from propolis from El Salvador. The…”
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Macedonine, a non-glycosidic iridoid from Galium macedonicum by Mitova, Maya, Handjieva, Nedjalka, Spassov, Stefan, Popov, Simeon

“…A new non-glycosidic iridoid, macedonine, was isolated from Galium macedonicum. The structure, stereochemistry and conformation were determined by spectral…”
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Cyclocondensations of homophthalic anhydrides with 1-aza-1,3-dienes by Georgieva, Angelina, Stanoeva, Elena, Spassov, Stefan, Haimova, Marietta, De Kimpe, Norbert, Boelens, Mark, Keppens, Marian, Kemme, Andrejs, Mishnev, Anatoly

“…α,β-Unsaturated aldimines (1-aza-1,3-butadienes) 2, 4 and 7a-d react with homophthalic anhydrides 1a,b to give 3,4-dihydro-1(2H)-naphthalenone-4-carboxylic…”
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Conformational analysis of diastereoisomeric tetraphenyl-substituted pyrrolidines by Ivanov, Petko M., Mikhova, Bozhanka P., Spassov, Stefan L.

“…The relative configurations of a diastereoisomeric pair of tetraphenyl-substituted pyrrolidines were determined from NOE difference spectra. Low-temperature 1H…”
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