00813naa#a2200205#i#4500001001500000005001700015011001400032100004100046102000700087200018800094210005800282215001000340608002700350675009000377700003700467700001600504700003400520700003500554856001800589EN\\bibl\8249820241122000748.5##a2782-1900##a20211223b2021####ek#y0engy0150####ca##aRU1#aComparative quantum-chemical analysis of the reactivity of 1-phenilbut-2-en-3-tyon and 2-(N-pirrolidinil)pent-2-en-4-tyon as heterodiens in the Diels - Alder reactioneJournal article1#aYaroslavlcYaroslavl State Technical Universityd2021##a3 с.##aJournal article2local##aСоединения с одним тиопирановым кольцом. 547.818.1#1aOvchinnikovgKonstantin L'vovich#1aKarpovgI D#1aStarostingMihail Vital'evich#1aKolobovgAlexey Vladislavovich4#achemintech.ru