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:
Jun. 25, 2013
Filed:
Sep. 15, 2010
Takeshi Wada, Chiba, JP;
Mamoru Shimizu, Chiba, JP;
Takeshi Wada, Chiba, JP;
Mamoru Shimizu, Chiba, JP;
Chiralgen, Ltd., Kagoshima, JP;
Abstract
A protective group represented by the following general formula (I) (the oxygen atom attached with * represents oxygen atom of 2'-hydroxyl group of a ribonucleoside, a ribonucleotide or a derivative thereof; Rand Rboth represent hydrogen atom, or represent a halogen atom, a Calkyl group, or a Chalo-substituted alkyl group; Rand Rrepresent hydrogen atom, a halogen atom, a Calkyl group, or a Chalo-substituted alkyl group; and Rand Rrepresent a halogen atom, a Chalo-substituted alkyl group, cyano group, nitro group, or the like), which is stable under the reaction conditions of the nucleic acid synthetic cycles and has little steric hindrance, and can be removed under mild conditions using fluoride ions as a base.