PROCESS FOR THE PREPARATION OF (15alpha,16alpha,17beta)-ESTRA-1,3,5(10)-TRIENE-3,15,16,17-TETROL (ESTETROL) MONOHYDRATE

CH721691B1Undetermined Publication Date: 2026-09-15IND CHEM SRL

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Patent Information

Application Number: CH2025000841
Authority / Receiving Office: CH · CH
Patent Type: Patents
Current Assignee / Owner
Filing Date: 2023-02-02
Publication Date: 2026-09-15
Estimated Expiration: 2043-02-02

Application Information

Patent Timeline

02 Feb 2023

Application

CH2025000841

15 Sep 2026

Publication

CH721691B1

IPC: C07J1/00

CPC: C07J1/007; C07B2200/13

Inventors: Roberto Lenna; Michele Baldrighi

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Abstract

The present invention relates to a process for the preparation of (15α,16α,17β)-estra-1,3,5(10)-triene-3,15,16,17-tetrol monohydrate, also known as Estetrol monohydrate, having formula (I).

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