Blonanserin Intermediates

Intermediate - 1

Chemical Name : 4-(4-Fluorophenyl) 5,6,7,8,9,10 - hexahydrocycloocta[b]pyridin-2(1H)-one


Molecular Formula : C17H18FNO


Formula Weight : 271.32


CAS No. : 132812-72-7

No.
Test
Specification
1.
Description
Pale yellow to off white colour solid
2.
Solubility
DMF, DMSO
3.
Identification
By HPLC
4.
4-Fluorobenzoylacetonitrile
NMT 1.0 %
Total Impurity
NMT 2.0 %
5.
Water (by KF)
NMT 1.0 % w/w
6.
Purity (by HPLC area %)
NLT 98 %

Intermediate - 2

Chemical Name : 2-chloro-4-(4-fluoro phenyl)-5,6,7,8, 9,10-hexahydrocycloocta [b]pyridine


Molecular Formula : C17H17ClFN


Formula Weight : 289.77


CAS No. : 132813-14-0

No.
Test
Specification
1.
Description
Pale yellow to off white solid
2.
Solubility
Dichloromethane, DMF, DMSO
3.
Identification
By HPLC
4.
Individual Impurity
NMT 1.0 %
Total Impurity
NMT 2.0 %
5.
Water (by KF)
NMT 1.0 % w/w
6.
Purity (by HPLC area %)
NLT 98 %

Intermediate - 3

Chemical Name : 3-(4-fluorophenyl)-3-oxo propanenitrile



Molecular Formula : C9H6FNO


Formula Weight : 163.14


CAS No. : 4640-67-9

No.
Test
Specification
1.
Description
Light yellow colour to Creamish off white colour solid
2.
Solubility
DMF, DMSO
3.
Identification
By HPLC
4.
Total Impurity
NMT 3.0 %
5.
Loss on Drying
NMT 1.0 % w/w
6.
Purity (by HPLC area %)
NLT 97 %

Intermediate - 4

Chemical Name : Methyl-4-fluorobenzoate



Molecular Formula : C8H7FO2


Formula Weight : 154.13


CAS No. : 403-33-8

No.
Test
Specification
1.
Description
Pale yellow to clear colourless liquid
2.
Solubility
Dichloromethane, DMF, DMSO
3.
Identification
By HPLC
4.
Total Impurity
NMT 1.0 %
5.
Water (by KF)
NMT 0.5 % w/w
6.
Purity (by HPLC area %)
NLT 99 %

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