申请人:Chaix-Bauvais Carole
公开号:US20050038234A1
公开(公告)日:2005-02-17
The invention relates to bi-functionalised metallocenes of general formula (I) where Me=a transition metal, preferably chosen from Fe, Ru and Os, Y and Z, when identical are selected from —(CH
2
)
n
—O—, (CH
2
)—O—[(CH
2
)
2
—O]
P
— and —(CH
2
)
q
—CONH—(CH
2
)
r
—O—, or Y=—(CH
2
)
S
—NH— and Z=—(CH
2
)
t
—COO—,
n
=a whole number from 3 to 6 inclusive, p=a whole number from 1 to 4 inclusive, q=a whole number from 0 to 2 inclusive, r=a whole number from 0 to 2 inclusive, s=a whole number from 2 to 5 inclusive, t=a whole number from 3 to 6 inclusive, R and R′=H atoms or are protective groups used in oligonucleotide and peptide synthesis, where at least one of R or R′ is protective group used in oligonucleotide and peptide synthesis and R and R′ are as defined below: (i) when Z and Y are selected from (CH
2
)
n
—O—, —(CH
2
)—O—[(CH
2
)
2
—O]
p
— and —(CH
2
)
q
—CONH—(CH
2
)
r
—O—, then R and R′ are protective groups used in oligonucleotide synthesis and R is a group which can leave a free OH group after deprotection, preferably a photolabile group such as monomethroxythoxytrityl, dimethoxytrityl, t-butyldimethylsilyl, acetyl or trifluroacetyl, and R′ is a phosphorylated group which can react with a free OH, preferably a phosphodiester, phosphoramidite or H-phosphonate and (ii) when Y=—(CH
2
)
n
—NH— and Z=—(CH
2
)
t
—COO—, then R is a protective group used in the synthesis of peptides and is an amino-protecting group, preferably 9-fluorenyloxycarbonyl, t-butoxycarbonyl or benzyloxycarbonyl and R′=H. The above is applied in marking.
本发明涉及一种双功能化金属茂,其通式为(I),其中Me为过渡金属,优选为Fe、Ru或Os,Y和Z相同时选自—(CH2)n—O—、(CH2)—O—[(CH2)2—O]p—和—(CH2)q—CONH—(CH2)r—O—,或者Y=—(CH2)s—NH—且Z=—(CH2)t—COO—,其中n为3至6的整数,p为1至4的整数,q为0至2的整数,r为0至2的整数,s为2至5的整数,t为3至6的整数,R和R′为H原子或寡核苷酸和肽合成中使用的保护基团,其中至少一个R或R′为寡核苷酸和肽合成中使用的保护基团,且R和R′定义如下:(i) 当Z和Y选自(CH2)n—O—、—(CH2)—O—[(CH2)2—O]p—和—(CH2)q—CONH—(CH2)r—O—时,R和R′为寡核苷酸合成中使用的保护基团,R为脱保护后可留下自由OH基团的基团,优选为光敏基团,如单甲氧基三苯甲基、二甲氧基三苯甲基、叔丁基二甲基硅烷、乙酰基或三氟乙酰基,R′为可与自由OH反应的磷酸化基团,优选为磷酸二酯、磷酸酰胺或H-膦酸酯;(ii) 当Y=—(CH2)n—NH—且Z=—(CH2)t—COO—时,R为肽合成中使用的保护基团,为氨基保护基团,优选为9-芴基氧羰基、叔丁氧羰基或苄氧羰基,R′=H。上述应用于标记。