Invention Application
- Patent Title: Process for the preparation of beta-ionylideneacetaldehyde
- Patent Title (中): 制备β-离子亚乙基乙醛的方法
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Application No.: US10487554Application Date: 2002-08-23
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Publication No.: US20050027143A1Publication Date: 2005-02-03
- Inventor: Mohammad Salman , Purna Ray , Suresh Babu , Naresh Kumar
- Applicant: Mohammad Salman , Purna Ray , Suresh Babu , Naresh Kumar
- Priority: IN880/DEL/01 20010824
- International Application: PCT/IB02/03432 WO 20020823
- Main IPC: C07C29/147
- IPC: C07C29/147 ; C07C33/14 ; C07C45/29 ; C07C47/225 ; C07C67/343 ; C07C403/14 ; C07C45/45
Abstract:
The present invention relates to an industrially advantageous process for the preparation of beta-ionylidencacetaldehyde of structural Formula I, which is a key intermediate for the synthesis of vitamin A and related compounds such as tretinoin and isotretinoin.
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