作者:Akihiro Ohkubo、Rintaro Kasuya、Kenichi Miyata、Hirosuke Tsunoda、Kohji Seio、Mitsuo Sekine
DOI:10.1039/b816831h
日期:——
It was found that N-arylcarbamoyl and N-(phenylsulfonyl)carbamoyl (psc) groups could be effectively introduced onto the amino groups of deoxycytidine and deoxyadenosine derivatives and could be removed thermolytically. We succeeded in synthesizing DNA probes incorporating these thermo-removable protecting groups and developed a new system for molecular switching by changing the protection- and deprotection-modes using simple heating and re-carbamoylation with isocyanates. This reversible process enabled us to control the hybridization ability of the DNA probes.
研究发现,N-芳基氨甲酰基和N-(苯磺酰基)氨甲酰基(psc)基团能够有效地引入到脱氧胞苷和脱氧腺苷衍生物的氨基上,并且能够通过热分解反应去除。我们成功合成了含有这些热可移除保护基团的DNA探针,并开发了一种新的分子开关系统,通过简单的加热和重新氨甲酰化与异氰酸酯的反应来改变保护和脱保护模式。这种可逆的过程使我们能够控制DNA探针的杂交能力。