Heterocyclic Compounds Flashcards

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  • five-membered aromatic ring with four carbon atoms and one oxygen atom.
  • Hydrogenation of furans: Tetrahydrofuran (THF), or oxolane, is an organic compound with the formula (CH2)4O.
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56
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Tetrahydrofuran

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oxolane

57
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Tetrahydrofuran

58
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Tetrapyrroles

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Tetrapyrroles are a class of chemical compounds that contain four pyrrole or pyrrole-like rings. The pyrrole/pyrrole derivatives are linked by (=(CH)- or -CH
2- units), in either a linear or a cyclic fashion. Pyrroles are a five-atom ring with four carbon atoms and one nitrogen atom. Tetrapyrroles are common cofactors in biochemistry and their biosynthesis and degradation feature prominently in the chemistry of life.
59
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Indole

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60
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Indole

61
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Hypoxanthine

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purine derivative

62
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Hypoxanthine

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64
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Purine

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(pyrimidine and imidazole)

65
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xanthine

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66
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xanthine

67
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hypoxanthine

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68
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hypoxanthine

69
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uric acid

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70
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uric acid

71
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Porphin

72
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Porphin

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73
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Protoporphyrin IX

74
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Protoporphyrin IX

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