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N. N. Romanov

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Publication

Featured researches published by N. N. Romanov.

ChemInform | 1980

MESOIONIC COMPOUNDS WITH A NITROGEN BRIDGING ATOM. 4. DERIVATIVES OF THIAZOLO(3,2‐A)QUINOLINIUM 1‐OXIDE

L. T. Gorb; A. D. Kachkovskii; N. N. Romanov; I. S. Shpileva; A. I. Tolmachev

Wahrend beim Erhitzen der Chinolylthioessigsauren (I) mit Acetanhydrid die Acetylthiazolo-chinoliniumoxide (II) gebildet werden, entstehen bei gleichzeitiger Anwesenheit von Essigsaure die Verbindungen (III).

ChemInform | 1979

Mesoionic compounds with a bridged nitrogen atom. 2. Compounds of the thiazolo[3,2-a]pyridinium 3-oxide series

L. T. Gorb; N. N. Romanov; A. I. Tolmachev

ChemInform | 1989

Mesoionic Compounds with a Bridgehead Nitrogen Atom. Part 15. Symmetric Polymethine Dyes from Mesoionic Thiazoloazinium Oxides.

K. V. Fedotov; A. D. Kachkovskii; N. N. Romanov; A. I. Tolmachev

ChemInform | 1988

Cyanine Dyes from Mesoionic Thiazolo(3,2-a)pyrimidinium 3-Oxides and the Nature of the Visible Absorption Bands of Their Solutions.

K. V. Fedotov; N. N. Romanov; A. D. Kachkovskii

ChemInform | 1985

MESOIONIC COMPOUNDS WITH A NITROGEN BRIDGING ATOM. 12. STUDY OF THE CYCLIZATION OF (2-PYRIMIDINYLTHIO)ACETIC ACIDS

K. V. Fedotov; N. N. Romanov; A. I. Tolmachev

ChemInform | 1985

REACTION OF 4-AMINO-2-METHYLTHIO-5-PHENYLTHIAZOLE WITH ACETOACETIC ESTER

E. K. Mikitenko; I. S. Shpileva; N. N. Romanov

ChemInform | 1984

MESOIONIC COMPOUNDS WITH A BRIDGING NITROGEN ATOM. 11. Π-ELECTRONIC STRUCTURE AND ABSORPTION SPECTRA OF THIAZOLO(3,2-A)PYRIDINIUM 3-OXIDE AZA ANALOGS

A. D. Kachkovskii; K. V. Fedotov; N. N. Romanov; A. I. Tolmachev

ChemInform | 1984

POLYMETHINE DYES BASED ON 3-METHOXY-2-PHENYLTHIAZOLO(3,2-A)PYRIMIDINIUM SALTS

K. V. Fedotov; N. N. Romanov; A. I. Tolmachev

ChemInform | 1983

MESOIONIC COMPOUNDS WITH A BRIDGING NITROGEN ATOM. 7. STUDY OF THE CYCLIZATION OF (2-PYRIMIDINYLTHIO)PHENYLACETIC ACIDS

K. V. Fedotov; N. N. Romanov; A. I. Tolmachev

ChemInform | 1983

NATURE OF ABSORPTION BANDS OF THIAZOLOPYRIMIDINIUM POLYMETHINE DYES

G. G. Dyadyusha; A. I. Tolmachev; N. N. Romanov; E. K. Mikitenko; A. D. Kachkovski

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A. I. Tolmachev

National Academy of Sciences of Ukraine

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