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Ac-5-Me-dC-CE Phosphoramidite - (10-1560)

5'-Dimethoxytrityl-N-acetyl-5-methyl-2'-deoxycytidine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite

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10-1560

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Product Specifications

Formula:

C₄₂H₅₂N₅O₈P

M.W.:

785.86

F.W.:

303.21

5'-Dimethoxytrityl-N-acetyl-5-methyl-2'-deoxycytidine,3'-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite

Description

C-5 methyl pyrimidine nucleosides are known to stabilize duplexes relative to the non-methylated bases. Therefore, enhanced binding can be achieved using 5-methyl-dC in place of dC, duplex melting temperature being increased by 1.3°. Ac-5-Me-dC-CE Phosphoramidite is fully compatible with AMA deprotection and none of the N4-Me transamination mutant is observed on deprotection. 2,6-Diaminopurine 2’-deoxyriboside (2-amino-dA) forms an additional hydrogen bond with Thymidine, thereby leading to duplex stabilization with a melting temperature increase of 3°. Our 2-amino-dA monomer exhibits fast and effective deprotection in ammonium hydroxide and it is stabilized to depurination during synthesis. Note: we recommend the use of 0.5 M CSO in anhydrous acetonitrile (40-4632-xx) for best results with multiple additions of 2-amino-dA.

Details

Usage

Coupling: No changes needed from standard method recommended by synthesizer manufacturer.
Deprotection: No changes needed from standard method recommended by synthesizer manufacturer.|Note: Compatible with both AMA and UltraMild conditions.