Invention Grant
- Patent Title: Method of making indeno-fused naphthol materials
- Patent Title (中): 茚并稠合萘酚材料的制备方法
-
Application No.: US13324345Application Date: 2011-12-13
-
Publication No.: US08765978B2Publication Date: 2014-07-01
- Inventor: Anu Chopra , Barry Van Gemert , Wenjing Xiao , Huayun Yu
- Applicant: Anu Chopra , Barry Van Gemert , Wenjing Xiao , Huayun Yu
- Applicant Address: US FL Pinellas Park
- Assignee: Transitions Optical, Inc.
- Current Assignee: Transitions Optical, Inc.
- Current Assignee Address: US FL Pinellas Park
- Agency: The Webb Law Firm
- Main IPC: C07D311/78
- IPC: C07D311/78
Abstract:
The present invention relates to a method of making indeno-fused naphthol materials, that involves, with some embodiments, forming an indanone acid intermediate, which can be represented by the following general Formula V, With Formula V, m is from 0 to 4, and R1 for each m, Rg and Rh can each be independently selected from, for example, hydrogen and hydrocarbyl. The present invention also relates to a method of making an indeno-fused naphthopyran that involves an indanone acid intermediate synthetic route.
Public/Granted literature
- US20120157696A1 METHOD OF MAKING INDENO-FUSED NAPHTHOL MATERIALS Public/Granted day:2012-06-21
Information query
