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Home/Compounds/Pharmaceutical Intermediate/5'-O-(4,4-Dimethoxytrityl)-2'-O-methyl-N-isobutyrylguanosine-3'-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite
C45H56N7O9P
869.9 g/mol
Pharmaceutical Intermediate

2'-OMe-G(ibu) Phosphoramidite

CAS150780-67-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

2'-OMe-G(ibu) Phosphoramidite is a chemically modified guanosine phosphoramidite building block used in the solid-phase synthesis of RNA oligonucleotides. Its structure features a 2'-O-methyl modification and an isobutyryl-protected guanine base, along with a dimethoxytrityl (DMT) protecting group and a phosphoramidite linkage for automated coupling.

RNA synthesis building blockpharmaceutical intermediate for oligonucleotide manufacturing

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.91

Guanosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-methoxyethyl)-N-(2-methyl-1-oxopropyl)-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

CAS251647-55-9

pharmaceutical intermediate

StrongStructure SimilarSimilarity 0.89

5'-O-(4,4-Dimethoxytrityl)-2'-O-[(tert-butyl)dimethylsilyl]-N-isobutyrylguanosine-3'-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite

CAS147201-04-5

pharmaceutical intermediate

StrongStructure SimilarSimilarity 0.89

Guanosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2'-fluoro-N-(2-methyl-1-oxopropyl)-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

CAS144089-97-4

pharmaceutical intermediate

StrongStructure SimilarSimilarity 0.88

2'-O-Propargyl g(iBu)-3'-phosphoramidite

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pharmaceutical intermediate

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Identifiers
IUPAC Name

N-[9-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxy-3-methoxyoxolan-2-yl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide

InChIKey

IRRDHRZUOZNWDJ-MLLDKZSOSA-N

SMILES

CC(C)C(=O)NC1=NC2=C(C(=O)N1)N=CN2[C@H]3[C@@H]([C@@H]([C@H](O3)COC(C4=CC=CC=C4)(C5=CC=C(C=C5)OC)C6=CC=C(C=C6)OC)OP(N(C(C)C)C(C)C)OCCC#N)OC

Synonyms (33)
  • 2'-OMe-G(ibu) Phosphoramidite
  • 2'-OMe-ibu-G Phosphoramidite
  • Cytidine Impurity 13
  • DMT-2'-O-Me-rG(ib) amidite