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{{chembox |
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{{chembox |
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| Watchedfields = changed |
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| verifiedrevid = 385317369 |
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| verifiedrevid = 418471733 |
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| Name=4-Pyrimidone |
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| ImageFile =Pyrimidone.png |
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| Name = 4-Pyrimidone |
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| ImageFile = 4-Pyrimidone.png |
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| ImageSize = 120px |
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| ImageSize = 120px |
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| PIN = 1''H''-Pyrimidin-6-one |
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| IUPACName = Pyrimidone |
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| OtherNames = Hydroxypyrimidine; Pyrimidinone |
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| OtherNames = Hydroxypyrimidine; Pyrimidinone |
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| Section1 = {{Chembox Identifiers |
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|Section1={{Chembox Identifiers |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo = 51953-17-4 |
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| CASNo = 557-01-7 |
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| CASNo_Comment = 2-Pyrimidone |
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| CASNo1_Ref = {{fdacite|correct|CAS}} |
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| CASNo1 = 4562-27-0 |
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| CASNo1_Comment = 4-Pyrimidone |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| UNII = 13K708ILY4 |
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| UNII_Comment = 2-Pyrimidone |
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| UNII1_Ref = {{fdacite|correct|FDA}} |
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| UNII1 = K43V90OY4L |
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| UNII1_Comment = 4-Pyrimidone |
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| PubChem = 20695 |
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| PubChem = 20695 |
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| SMILES = O=C1NC=NC=C1 |
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| SMILES = O=C1NC=NC=C1 |
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| ChemSpiderID = 61686 |
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| ChemSpiderID_Comment = 2-Pyrimidone |
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| ChemSpiderID1 = 19489 |
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| ChemSpiderID1_Comment = 4-Pyrimidone |
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}} |
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}} |
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| Section2 = {{Chembox Properties |
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|Section2={{Chembox Properties |
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| C=4|H=4|N=2|O=1 |
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| C=4 | H=4 | N=2 | O=1 |
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| Appearance = White to light yellow powder |
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| Appearance = White to light yellow powder |
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| Density = |
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| Density = |
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| MeltingPt = 163-168 °C |
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| MeltingPtC = 163 to 168 |
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| MeltingPt_notes = |
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| BoilingPt = |
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| BoilingPt = |
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| Solubility = }} |
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| Solubility = }} |
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| Section3 = {{Chembox Hazards |
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|Section3={{Chembox Hazards |
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| MainHazards = Respiratory system, eye, skin irritation |
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| MainHazards = Respiratory system, eye, skin irritation |
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| FlashPt = |
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| FlashPt = |
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| Autoignition = }} |
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| AutoignitionPt = |
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}} |
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}} |
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}} |
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'''Pyrimidone''' is the name given to either of two ]s with the formula ]<sub>4</sub>]<sub>4</sub>]<sub>2</sub>]: ] and ]. The compounds can also be called ''2-hydroxypyrimidine'' or ''4-hydroxypyrimidine'' respectively, based on a ] ], or 1,3-], ring. |
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'''Pyrimidone''' is the name given to either of two ]s with the formula C<sub>4</sub>H<sub>4</sub>N<sub>2</sub>O: ] and ]. The compounds can also be called ''2-hydroxypyrimidine'' or ''4-hydroxypyrimidine'' respectively, based on a ] ], or 1,3-], ring. |
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==Derivatives== |
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== Derivatives == |
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Derivatives of pyrimidone are the basis of many other biological molecules, including: |
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Derivatives of pyrimidone are the basis of many other biological molecules, including: |
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* ], such as ] |
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* ], such as ] |
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* ], such as ] |
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* ], such as ] |
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<gallery> |
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<gallery> |
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File:Cytosine chemical structure.png|] |
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File:Cytosine chemical structure.png|] |
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File:Metharbital.png|] |
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File:Metharbital.svg|] |
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</gallery> |
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</gallery> |
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*Antiulcer drugs including ], ], ], and ]. |
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== See also == |
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* ] |
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] |
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] |
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{{Heterocyclic-stub}} |
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{{Heterocyclic-stub}} |
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] |
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