stereochemistry of biaryls and ansa compounds

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June 7, 2022 1 By Mohd Anzar Sakharkar

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Page 1: Stereochemistry of biaryls and ansa compounds

April 12, 2023 1By Mohd Anzar Sakharkar

Page 2: Stereochemistry of biaryls and ansa compounds

April 12, 2023 2By Mohd Anzar Sakharkar

Page 3: Stereochemistry of biaryls and ansa compounds

STEREOCHEMISTRY OF BIARYLS

April 12, 2023 3By Mohd Anzar Sakharkar

Page 4: Stereochemistry of biaryls and ansa compounds

April 12, 2023 4By Mohd Anzar Sakharkar

Page 5: Stereochemistry of biaryls and ansa compounds

R

R R

R COOHCOOH

April 12, 2023 5By Mohd Anzar Sakharkar

Page 6: Stereochemistry of biaryls and ansa compounds

P-3 b b

a a

b a

a b

b b

a a

90o 180o 270o 360o

Interplanar angle

b a

a b

April 12, 2023 6By Mohd Anzar Sakharkar

Page 7: Stereochemistry of biaryls and ansa compounds

April 12, 2023 7By Mohd Anzar Sakharkar

Page 8: Stereochemistry of biaryls and ansa compounds

NO2

HOOC

NO2

COOH

R

NO2

O2N

COOH

COOH

Al(CH3)3

H

H

HS

Al3(CH3)

H

H

F

April 12, 2023 8By Mohd Anzar Sakharkar

Page 9: Stereochemistry of biaryls and ansa compounds

X X

H2C CH2

(CH2)n

April 12, 2023 9By Mohd Anzar Sakharkar

Page 10: Stereochemistry of biaryls and ansa compounds

X X

H2C CH2

(CH2)n

April 12, 2023 10By Mohd Anzar Sakharkar

Page 11: Stereochemistry of biaryls and ansa compounds

R-S NOMENCLATURE:

April 12, 2023 11By Mohd Anzar Sakharkar

Page 12: Stereochemistry of biaryls and ansa compounds

O O

H2C CH2

(CH2)n

Pilot Atom 2

H3C CHIRAL PLANE

2

2

O O

H2C CH2

(CH2)n

CHIRAL PLANE

Pilot Atom

CH3

R S

O

O

H2CCH2

(CH2)n

Pilot Atom

H3C

CHIRAL PLANE

S

1 1

1

3 3

3

April 12, 2023 12By Mohd Anzar Sakharkar

Page 13: Stereochemistry of biaryls and ansa compounds

April 12, 2023 13By Mohd Anzar Sakharkar

Page 14: Stereochemistry of biaryls and ansa compounds

April 12, 2023 14By Mohd Anzar Sakharkar

Page 15: Stereochemistry of biaryls and ansa compounds

April 12, 2023 15By Mohd Anzar Sakharkar