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.

Date of Patent:
May. 31, 2005

Filed:

Feb. 11, 2003
Applicants:

Yuki Takuma, Kanagawa, JP;

Kyoko Endo, Kanagawa, JP;

Takeshi Murakami, Kanagawa, JP;

Tomoko Maeda, Kanagawa, JP;

Tomoko Sasaki, Kanagawa, JP;

Youichi Matsumoto, Yokohama, JP;

Inventors:

Yuki Takuma, Kanagawa, JP;

Kyoko Endo, Kanagawa, JP;

Takeshi Murakami, Kanagawa, JP;

Tomoko Maeda, Kanagawa, JP;

Tomoko Sasaki, Kanagawa, JP;

Youichi Matsumoto, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H001/00 ;
U.S. Cl.
CPC ...
Abstract

A process for efficiently producing a nucleic acid derivative by condensing a specific nitrogen-containing heterocyclic compound such as a dinitrogen 6-membered heterocyclic compound or a trinitrogen 5-membered heterocyclic compound with a pentose using a less expensive and safe reagent. Namely, a process for producing a nucleic acid derivative by condensing a dinitrogen 6-membered heterocyclic compound or a trinitrogen 5-membered heterocyclic compound with a pentose in the presence of an iron halide.


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