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:
Feb. 23, 1999
Filed:
Jan. 15, 1997
Shigenori Iwai, Osaka, JP;
Biomolecular Engineering Research Institute, Osaka, JP;
Abstract
A coupling unit of a (6-4) photoproduct represented by the formula (I): ##STR1## wherein R.sup.1 represents a protective group, R.sup.2 represents a methyl group or a 2-cyanoethyl group, and R.sup.3 represents ##STR2## wherein R.sup.5 represents a methyl group or a 2-cyanoethyl group, and R.sup.6 represents a --N(R')(R') group, a N-morpholino group, a N-pyrrolidinyl group or a 2,2,6,6-tetramethyl-N-piperidyl group where R' and R' each represent a lower alkyl group, a process for preparing the same, a process for preparing an oligonucleotide containing a (6-4) photoproduct by using the same, and a process for preparing DNA containing a (6-4) photoproduct by using the same are disclosed.