The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2021
Filed:
Nov. 10, 2017
Sekisui Medical Co., Ltd., Chuo-ku, JP;
Shinya Yano, Chuo-ku, JP;
Hideki Kubota, Chuo-ku, JP;
SEKISUl MEDICAL CO., LTD., Chuo-ku, JP;
Abstract
The invention is to develop a protecting group that does not solidify or insolubilize a compound in which a functional group has been protected, and facilitates separation and purification after a reaction. Disclosed is a trityl compound represented by General Formula (1): wherein Y represents a hydroxy group or a halogen atom; at least one of Rto Rrepresents a group represented by Formula (2):—O—R—X-A  (2)while the other groups each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms; wherein R, R, and R, which may be identical or different, each represent a linear or branched alkyl group having 1 to 6 carbon atoms, or an aryl group which may have a substituent.