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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HRID 1651560생성일: 2026년 10월 27일

p-Toluenesulfonic acid → 1-Piperidinebutanoic acid, 4-((4-chlorophenyl)-2-pyridinylmethoxy)-, ethyl ester, mono(4-methylbenzenesulfonate)

https://huagongshe.com/reaction/1651560

반응식

참여 물질

역할이름HCID투입량
반응물p-Toluenesulfonic acidHCID 6101—
반응물rac Bepotastine Ethyl EsterHCID 3079389—
생성물1-Piperidinebutanoic acid, 4-((4-chlorophenyl)-2-pyridinylmethoxy)-, ethyl ester, mono(4-methylbenzenesulfonate)HCID 307938891.4%

반응 단계

5.33 g (12.78 mmol) of the ethyl ester obtained in Example 26 and 2.43 g (12.78 mmol) of p-toluenesulfonic acid were treated in the same procedure as described in Example 2 to give 6.88 g (91%) of ethyl 4-[4-[(4-chlorophenyl)-2-pyridylmethoxy]-1-piperidyl]butanoate p-toluenesulfonate.

출처 및 근거

DOI10.6084/m9.figshare.5104873.v1
특허 번호US04929618
출처 데이터셋uspto-grants-1990_05
ORD IDord-4d93dfd2026b4269b89853f5b29f94ef
출처 메모uspto-grants-1990_05