BP402TBP501TBP601TCompetitive ExamD. Pharm. First YearER20-12TGPATM. Pharm. (Pharmaceutical Chemistry)NIPERPharma GuideSem III Theory

Medicinal Chemistry-Basics

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Table of Contents

Functional group list

Sr. No.

Functional Groups Name

Represented as

1.       

acetamido

H3C-CONH─

2.       

acetate

H3C-COO─

3.       

acetonyl

H3C-COCH2

4.       

acetyl

H3C-CO─

5.       

allyl

H2C=CH-CH2

6.       

amido

─CONH2

7.       

amino

─NH2

8.       

amidino

H2NC(=NH)─

9.       

anilino

C6H5NH─

10.    

azo

─N=N─

11.    

azoxy

─N(O)=N─

12.    

benzamido

C6H5CONH─

13.    

benzenesulfonamido

C6H5SO2NH─

14.    

benzenesulfonyl

C6H5SO2

15.    

benzoate

C6H5COO─

16.    

benzoyl

C6H5CO─

17.    

benzyl

C6H5CH2

18.    

benzylidene

C6H5CH─

19.    

bromo

─Br

20.    

n-butyl

CH3(CH2)3

21.    

sec-butyl

CH3CH2CH(CH3)─

22.    

tert-butyl

(CH3)3C─

23.    

butyrate

CH3CH2CH2COO─

24.    

carbamoyloxy

H2NCOO─

25.    

carbamoyl

H2NCO─

26.    

carbonyl

=CO

27.    

carboxyl

─COOH

28.    

chloro

─Cl

29.    

cinnamoyl

C6H5CH=CHCO─

30.    

cinnamyl

C6H5CH=CHCH2

31.    

cyanate

N≡C─O─

32.    

cyanide (cyan)

─CN

33.    

diazo

─N(≡N)─

34.    

diazoamino

─N=N─NH=

35.    

diazonium

N+(≡N)─

36.    

dimethylamino

(CH3)2N─

37.    

ethoxy

C2H5O─

38.    

ethoxycarbonyl

C2H5OCO─

39.    

ethyl

C2H5

40.    

ethylamino

C2H5NH─

41.    

ethylene

─CH2CH2

42.    

ethylenedioxy

─OCH2CH2O─

43.    

ethylidene

CH3CH=

44.    

ethylthio

CH3CH2S─

45.    

ethynyl

HC≡C─

46.    

fluoro

F─

47.    

formamido

HC(=O)NH─

48.    

formate

HCOO─

49.    

formyl

─CHO

50.    

glycinate

NH2CH2COO─

51.    

glycyl

NH2CH2CO─

52.    

guanidine

H2NC(=NH)NH─

53.    

n-heptyl

CH3(CH2)6

54.    

n-hexyl

CH3(CH2)5

55.    

hydrazino

H2NNH─

56.    

hydrazo

─HNNH─

57.    

hydroxyl

─OH

58.    

hydroxyamino

HONH─

59.    

hydroxyimino

HON=

60.    

hydroxymethyl

HOCH2

61.    

imino

HN=

62.    

iodo

I─

63.    

isobutyl

(CH3)2CHCH2

64.    

isocyanato

O=C=N=

65.    

isocyano

─NC

66.    

isopentyl

(CH3)2CHCH2CH2

67.    

isopropoxy

(CH3)2CHO─

68.    

isopropyl

(CH3)2CH─

69.    

isothiocyano

S=C=N─

70.    

malonyl

─COCH2CO─

71.    

mercapto/thiol

─SH

72.    

methoxy

CH3O─

73.    

methoxycarbonyl

CH3OCO─

74.    

methyl

─CH3

75.    

methylene

CH2=

76.    

methylenedioxy

─OCH2O─

77.    

methylidene

─CH2

78.    

methylsulfonyl

CH3SO2

79.    

methylthio

CH3S─

80.    

nitramino

O2NNH─

81.    

nitrate

─ONO2

82.    

nitrilo

≡N

83.    

nitrite

─ONO─

84.    

nitro

─NO2

85.    

nitroso

─N=O

86.    

oxalyl

─COCO─

87.    

oxo

O=

88.    

oxy

O─

89.    

n-pentyl

CH3(CH2)3CH2

90.    

peroxy

─O─O─

91.    

phenethyl

C6H5CH2CH2

92.    

phenoxy

C6H5O─

93.    

phenyl

C6H5

94.    

phosphino

H2P-

95.    

phospho

─PO2

96.    

phosphono

(HO)2OP─

97.    

phosphoro

─PP─

98.    

phosphoroso

─PO

99.    

propenyl

CH3CH=CH─

100.   

propionate

CH3CH2COO─

101.   

propionyl

CH3CH2CO─

102.   

propoxy

CH3CH2CH2O─

103.   

n-propyl

CH3CH2CH2

104.   

sulfamoyl

H2NSO2

105.   

sulfide

─S─

106.   

sulfinyl

─SO─

107.   

sulfonamido

─SO2NH─

108.   

sulfonate

─SO2O─

109.   

sulfonyl

─SO2

110.   

thiocarbonyl

=CS

111.   

thiocyano

─SCN

112.   

vinyl

CH2=CH─

Ring System

Three Member Heterocyclic ring with 1 heteroatom

Four Member Heterocyclic ring with 1 heteroatom

Four Member Heterocyclic ring with 2 similar heteroatom

Five Member Heterocyclic ring with 1-heteroatom (aza)

Five Member Heterocyclic ring with 1-heteroatom (oxa)

Five Member Heterocyclic ring with 1-heteroatom (thia)

Five Member Heterocyclic ring with 2 similar heteroatom (aza)

Five Member Heterocyclic ring with 2 different heteroatom

Five Member Heterocyclic ring with 3 different heteroatom

Five Member Heterocyclic ring with 4 heteroatom

Six Member Heterocyclic ring with 1 heteroatom (aza)

Six Member Heterocyclic ring with 1 heteroatom (oxa)

Six Member Heterocyclic ring with 1 heteroatom (thia)

Six Member Heterocyclic ring with 2 heteroatom (aza)

Six Member Heterocyclic ring with 2 heteroatom (oxa)

Six Member Heterocyclic ring with 2 heteroatom (thia)

Six Member Heterocyclic ring with 2 heteroatom (Important Structure)

Six Member Heterocyclic ring with 2 heteroatom (oxa and aza)

Six Member Heterocyclic ring with 2 heteroatom (thia and aza)

Seven Member Heterocyclic ring with 1 heteroatom (aza)

Seven Member Heterocyclic ring with 1 heteroatom (oxa)

Seven Member Heterocyclic ring with 1 heteroatom (thia)

Seven Member Heterocyclic ring with 2 heteroatom (aza)

Seven Member Heterocyclic ring with 2 heteroatom (thia and aza)

Seven Member Heterocyclic ring with 2 heteroatom (oxa and aza)

Eight Member Heterocyclic ring with 1 heteroatom (aza)

Eight Member Heterocyclic ring with 1 heteroatom (oxa)

Eight Member Heterocyclic ring with 1 heteroatom (thia)

Fused Member ring (hydrocarbon and hydrocarbon)

Fused Member ring (hydrocarbon and 5 member heterocyclic ring having 1 heteroatom)

Fused Member ring (hydrocarbon and 5 member heterocyclic ring having 2 heteroatom)

Fused Member ring (hydrocarbon and 6 member heterocyclic ring having 1 heteroatom)

Fused Member ring (hydrocarbon and 6 member heterocyclic ring having 2 heteroatom)

Fused Member ring (hydrocarbon and 7 member heterocyclic ring having 1 heteroatom)

Fused Member ring (hydrocarbon and 7 member heterocyclic ring having 2 heteroatom)

Fused Member ring (hydrocarbon and 8 member heterocyclic ring having 1 heteroatom)

Fused Member ring (hydrocarbon and 8 member heterocyclic ring having 2 heteroatom)

Fused Member ring (heterocyclic ring with heterocyclic ring)

More than two fused ring system

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