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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0248450 (1981-03-27) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 447 인용 특허 : 0 |
A new class of nucleoside phosphoramidites which are relatively stable to permit isolation thereof and storage at room temperature. The phosphoramidites are derivatives of saturated secondary amines.
A compound represented by one of the formulae: [Figure] wherein B is a nucleoside or deoxynucleoside base; A is H, OH or OR2 in which R2 is a blocking group; R is a blocking group; R1 is a hydrocarbyl radical containing up to about 10 carbon atoms; and X is NR2R3, wherein R2 and R3 taken separately
A compound represented by one of the formulae: [Figure] wherein B is a nucleoside or deoxynucleoside base; A is H, OH or OR2 in which R2 is a blocking group; R is a blocking group; R1 is a hydrocarbyl radical containing up to about 10 carbon atoms; and X is NR2R3, wherein R2 and R3 taken separately each represent alkyl, aryl, aralkyl, cycloalkyl and cycloalkylalkyl containing up to 10 carbon atoms; R2 and R3 when taken together form an alkylene chain containing up to 5 carbon atoms in the principal chain and a total of up to 10 carbon atoms with both terminal valence bonds of said chain being attached to the nitrogen atom to which R2 and R3 are attached; and R2 and R3 when taken together with the nitrogen atom to which they are attached form a saturated nitrogen heterocycle including at least one additional heteroatom from the group consisting of nitrogen, oxygen and sulfur.
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