Patent · US Active

Method for preparing (S)-nicotine by reduction

US12319947B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

PORTON PHARMA SOLUTIONS LTD. · CN

Inventors

Wenqing Lin · Chongqing, CN
Hongjie Zheng · Chongqing, CN
Xiaobo Liu · Beijing, CN
Zecong Chen · Chongqing, CN
Lingyu Li · Chongqing, CN
Qingjun Zhou · Sunnyvale, US
Songhe WANG · Longbeilingcun, CN
Yongtang Yue · Chongqing, CN
Jicheng Hu · Shanghai, CN
Yue Zhang · Tianjin, CN
Shanshan Miao · Chongqing, CN

Key dates

Filing date	Nov 28, 2023
Grant date	Jun 3, 2025
Priority date	—
Expiry date	Nov 28, 2043

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N9/0028
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A method for preparing (S)-nicotine by reduction includes conducting a reduction process on an alkene compound as shown in Formula I and/or an iminium cation compound as shown in Formula II, thereby producing (S)-nicotine. The method is simple, safe, reliable, and yields both high purity and high quantities of (S)-nicotine production.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.