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HRID 15752作成日:2026年10月25日

Hydrazine hydrate (1:1) → benzyl 6-(4-chlorophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate

https://huagongshe.com/reaction/15752

反応式

関与物質

役割名称HCID仕込み量
反応物Hydrazine hydrate (1:1)HCID 24654—
反応物4-PiperidoneHCID 33721—
反応物6-(4-Chlorophenyl)-5-(4-chlorophenylsulfonyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine Benzyl 2-(4-chlorophenyl)-4-oxopiperidine-1-carboxylateHCID 68501941—
生成物benzyl 6-(4-chlorophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylateHCID 68498954—

反応手順

6-(4-Chlorophenyl)-5-(4-chlorophenylsulfonyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine Benzyl 2-(4-chlorophenyl)-4-oxopiperidine-1-carboxylate, 67, was formylated and treated with hydrazine hydrate as described for compounds 50 and 51 in Example 1 to give benzyl 6-(4-chlorophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate which was then deprotected and sulfonylated as described for compound 84 in Example 7.

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US07732609B2
出典データセットuspto-grants-2010_06
ORD IDord-84f7320d72514149a4c3e22a74cea174
出典メモuspto-grants-2010_06