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    • 6. 发明授权
    • N-acylphosphoramidites and their use in oligonucleotide synthesis
    • N-酰基亚磷酰胺及其在寡核苷酸合成中的应用
    • US06965041B1
    • 2005-11-15
    • US09937292
    • 2000-02-16
    • Serge L. BeaucageAndrzej WilkAndrzej Grajkowski
    • Serge L. BeaucageAndrzej WilkAndrzej Grajkowski
    • C07D407/12C07H19/10C07H19/20C07H21/00
    • C07H21/00C07H19/10C07H19/20Y02P20/55
    • The present invention provides a compound of formula (I), (II), or (III), wherein R1, R2, R2′, R3, and R3′ are the same or different and each is H an alkyl, an alkenyl, an alkynyl, a cycloalkyl, an aryl, or an aralkyl. Alternatively, either of R2 or R2′ combined with either of R3 or R3′ comprises a ring. R4 is a protecting group or a solid support R5 is H or an alkyl. R6 is a protecting group, an amidoalkyl, an alkyl, an alkyl ketone, an alkenyl, an alkynyl, a cycloalkyl, an aryl, or an aralkyl. R15 is H or a protecting group. Q and Q1 are the same or different and each is a nucleoside, an oligonucleotide comprising a nucleoside, or an oligomer comprising a nucleoside, which is of formula (a) or (b), wherein B is a labeling group, an alkyl, an alkenyl, an alkynyl, a cyclic group optionally containing one or more heteroatoms, or an amino; and, E is H, a halogen, a hydroxy, an alkoxy, an ester, an amino or a protecting group. X and X1 are independently O, S, or Se, and n is an integer from 1 to about 300. Each Q in each monomeric unit defined by n can be the same or different. The present invention further provides a method of preparing a polymer using the N-acylphosphoramidite of formula (I) or (II).
    • 本发明提供式(I),(II)或(III)的化合物,其中R 1,R 2,R 2, R 3,R 3和R 3'相同或不同,并且各自为烷基,烯基,炔基,环烷基,芳基或 芳烷基。 或者,与R 3或R 3或R 3'中的任一个组合的R 2或R 2'2'中的任一个包括 环。 R 4是保护基或固体载体R 5是H或烷基。 R 6是保护基,酰氨基烷基,烷基,烷基酮,烯基,炔基,环烷基,芳基或芳烷基。 R 15是H或保护基。 Q和Q 1相同或不同,并且各自为核苷,包含核苷的寡核苷酸或包含式(a)或(b)的核苷的寡聚体,其中B为 标记基团,烷基,烯基,炔基,任选含有一个或多个杂原子的环状基团或氨基; 并且,E是H,卤素,羟基,烷氧基,酯,氨基或保护基。 X和X 1独立地为O,S或Se,n为1至约300的整数。由n定义的每个单体单元中的每个Q可以相同或不同。 本发明还提供使用式(I)或(II)的N-酰基亚磷酰胺制备聚合物的方法。