Home > Organosilicon Compounds> 4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one

4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one

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Origin: China

Cas No: 142102-77-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 142102-77-0 Formula: C24H44N4O7SSi2 Molecular Weight: 588.86500

Basic Info

Chemical Name	4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ<sup>6</sup>-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one
Synonyms	2',5'diSilyl-5MeSpiroC; TSAO-m5C;
CAS No.	142102-77-0
Molecular Formula	C24H44N4O7SSi2
Molecular Weight	588.86500
PSA	167.36000
LogP	5.46590

Properties

Density	1.25g/cm3
Boiling Point	620.9ºC at 760 mmHg
Flash Point	329.3ºC
Refractive Index	1.552
Vapor Pressure	2.44E-15mmHg at 25°C

Synthesis Route

(2,2-dimethyl-6-oxo-3a,6a-dihydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate→4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one
(1-(β-D-ribofuranosyl)thymine)-3'-spiro-5''-(4''-amino-1'',2''-oxathiole 2'',2''-dioxide)→4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one
((3aR,5R,6R,6aR)-6-cyano-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate→4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one

Precursor

(1-(β-D-ribofuranosyl)thymine)-3'-spiro-5''-(4''-amino-1'',2''-oxathiole 2'',2''-dioxide)
1-(2'-O-acetyl-5'-O-benzoyl-3'-C-cyano-3'-O-mesyl-β-D-ribofuranosyl)thymine
(2,2-dimethyl-6-oxo-3a,6a-dihydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate
[(6R,8R,9R)-9-acetyloxy-4-amino-8-(5-methyl-2,4-dioxopyrimidin-1-yl)-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-6-yl]methyl benzoate

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