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9-chloro-11-piperidin-4-ylidene-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridine

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Origin: China

Cas No: 117811-13-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 117811-13-9 Formula: C19H19ClN2 Molecular Weight: 310.82100

Description

An impurity of Desloratadine; an active metabolite of Loratadine.

Basic Info

Chemical Name	9-chloro-11-piperidin-4-ylidene-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridine
Synonyms	8-Dechloro-9-chloro Desloratadine;
CAS No.	117811-13-9
Molecular Formula	C19H19ClN2
Molecular Weight	310.82100
PSA	24.92000
LogP	4.34770

Synthesis Route

7-Chlor-10,11-dihydro-4-aza-5H-dibenzo(a,d)cyclohepten-5-on→9-chloro-11-piperidin-4-ylidene-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridine
N-tert-butyl-3-methylpyridine-2-carboxamide→9-chloro-11-piperidin-4-ylidene-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridine
3-(4-chloro-phenethyl)-pyridine-2-carbonitrile→9-chloro-11-piperidin-4-ylidene-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridine

Precursor

3-(4-chloro-phenethyl)-pyridine-2-carbonitrile
magnesium,1-methylpiperidin-4-ide,chloride
7-Chlor-10,11-dihydro-4-aza-5H-dibenzo(a,d)cyclohepten-5-on
4-Chlorobenzyl Chloride

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