6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one

6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one

Reaction of 2-(methylsulfanyl)pyrimidin-4-amine with the 5-(methoxyvinylidene) derivative of Meldrum's acid and subsequent heating of the product in Dowtherm fluid yielded the title compound, C8H7N3OS, which was proven to contain a bicyclic 4H-pyrimido[1,6-a]pyrimidine system. All non-H atoms o...

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Main Authors: Quinhua Huang, Paul F. Richardson, Eugene Rui, Arnold L. Rheingold, Alex Yanovsky
Format: Article
Language:English
Published: International Union of Crystallography 2009-10-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536809038562
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spelling doaj-4557acca1a144ccc8fc35143b41c1c732020-11-25T00:27:23ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682009-10-016510o2572o257210.1107/S16005368090385626-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-oneQuinhua HuangPaul F. RichardsonEugene RuiArnold L. RheingoldAlex YanovskyReaction of 2-(methylsulfanyl)pyrimidin-4-amine with the 5-(methoxyvinylidene) derivative of Meldrum's acid and subsequent heating of the product in Dowtherm fluid yielded the title compound, C8H7N3OS, which was proven to contain a bicyclic 4H-pyrimido[1,6-a]pyrimidine system. All non-H atoms of the molecule are coplanar within 0.15 Å. The bond-length distribution in the bicyclic core shows localization of the double bonds. The geometry of the intramolecular S...O 1,5-contact [2.534 (2) Å] is consistent with the existence of an attractive interaction. http://scripts.iucr.org/cgi-bin/paper?S1600536809038562
collection DOAJ
language English
format Article
sources DOAJ
author Quinhua Huang
Paul F. Richardson
Eugene Rui
Arnold L. Rheingold
Alex Yanovsky
spellingShingle Quinhua Huang
Paul F. Richardson
Eugene Rui
Arnold L. Rheingold
Alex Yanovsky
6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
Acta Crystallographica Section E
author_facet Quinhua Huang
Paul F. Richardson
Eugene Rui
Arnold L. Rheingold
Alex Yanovsky
author_sort Quinhua Huang
title 6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
title_short 6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
title_full 6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
title_fullStr 6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
title_full_unstemmed 6-Methylsulfanyl-4H-pyrimido[1,6-a]pyrimidin-4-one
title_sort 6-methylsulfanyl-4h-pyrimido[1,6-a]pyrimidin-4-one
publisher International Union of Crystallography
series Acta Crystallographica Section E
issn 1600-5368
publishDate 2009-10-01
description Reaction of 2-(methylsulfanyl)pyrimidin-4-amine with the 5-(methoxyvinylidene) derivative of Meldrum's acid and subsequent heating of the product in Dowtherm fluid yielded the title compound, C8H7N3OS, which was proven to contain a bicyclic 4H-pyrimido[1,6-a]pyrimidine system. All non-H atoms of the molecule are coplanar within 0.15 Å. The bond-length distribution in the bicyclic core shows localization of the double bonds. The geometry of the intramolecular S...O 1,5-contact [2.534 (2) Å] is consistent with the existence of an attractive interaction.
url http://scripts.iucr.org/cgi-bin/paper?S1600536809038562
work_keys_str_mv AT quinhuahuang 6methylsulfanyl4hpyrimido16apyrimidin4one
AT paulfrichardson 6methylsulfanyl4hpyrimido16apyrimidin4one
AT eugenerui 6methylsulfanyl4hpyrimido16apyrimidin4one
AT arnoldlrheingold 6methylsulfanyl4hpyrimido16apyrimidin4one
AT alexyanovsky 6methylsulfanyl4hpyrimido16apyrimidin4one
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