Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

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Chemical Name:Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester
CAS No.:200562-39-6
Molecular Formula:C₅₂H₆₁N₈O₁₂P
Molecular Weight:1021.08
Hs Code.:

Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

Synonyms:Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

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Chemical Property of Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

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Technology Process of Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

There total 8 articles about Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 94.0%

: 124482-92-4,89992-70-1
2-cyanoethyl-N,N-(diisopropylamino)chlorophosphine

: 200562-25-0
N-{9-[(2S,3S,4S,5S)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-3-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-2-yl]-6-oxo-6,9-dihydro-1H-purin-2-yl}-isobutyramide

: 200562-39-6
Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; for 3h; Ambient temperature;
DOI:10.1002/hlca.19970800803

Reference yield:

: (3S,4R,5S)-5-Triisopropylsilanyloxymethyl-tetrahydro-furan-2,3,4-triol

: 200562-39-6
Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: CH₂Cl₂; pyridine / 14 h / Ambient temperature

2: 58 percent / BSA, trimethylsilyl triflate / CH₂Cl₂ / 2.5 h / 80 °C

3: 92 percent / conc. aq. HCl / tetrahydrofuran / 1 h / Ambient temperature

4: 1.) (i-Pr)2NEt; 2.) 10N aq. NaOH / 1.) CH₂Cl₂, r.t., 30 min; 2.) CH₂Cl₂, THF, MeOH, 4 deg C, 25 min

5: 1.) (i-Pr)2NEt, Bu₂SnCl₂ / 1.) MeCN, r.t., 90 min; 2.) MeCN, 4 deg C, 3 h

6: 94 percent / (i-Pr)2NEt / CH₂Cl₂ / 3 h / Ambient temperature

With hydrogenchloride; benzenesulfonamide; sodium hydroxide; trimethylsilyl trifluoromethanesulfonate; dibutyltin chloride; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; pyridine; dichloromethane;
DOI:10.1002/hlca.19970800803

Reference yield:

: 1,2,3-tri-O-benzoyl-5-O-(triisopropylsilyl)-α/β-L-ribose

: 200562-39-6
Diisopropyl-phosphoramidous acid (2S,3S,4S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(2-nitro-benzyloxymethoxy)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 58 percent / BSA, trimethylsilyl triflate / CH₂Cl₂ / 2.5 h / 80 °C

2: 92 percent / conc. aq. HCl / tetrahydrofuran / 1 h / Ambient temperature

3: 1.) (i-Pr)2NEt; 2.) 10N aq. NaOH / 1.) CH₂Cl₂, r.t., 30 min; 2.) CH₂Cl₂, THF, MeOH, 4 deg C, 25 min

4: 1.) (i-Pr)2NEt, Bu₂SnCl₂ / 1.) MeCN, r.t., 90 min; 2.) MeCN, 4 deg C, 3 h

5: 94 percent / (i-Pr)2NEt / CH₂Cl₂ / 3 h / Ambient temperature

With hydrogenchloride; benzenesulfonamide; sodium hydroxide; trimethylsilyl trifluoromethanesulfonate; dibutyltin chloride; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1002/hlca.19970800803