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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione

Modify Date: 2025-09-26 13:06:28

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione structure	Common Name	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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione
	CAS Number	142102-82-7	Molecular Weight	657.96700
	Density	1.19g/cm3	Boiling Point	653.6ºC at 760mmHg
	Molecular Formula	C₂₉H₅₁N₃O₈SSi₂	Melting Point	N/A
	MSDS	N/A	Flash Point	349.1ºC

Name	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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione
Synonym	More Synonyms

Density	1.19g/cm3
Boiling Point	653.6ºC at 760mmHg
Molecular Formula	C₂₉H₅₁N₃O₈SSi₂
Molecular Weight	657.96700
Flash Point	349.1ºC
Exact Mass	657.29400
PSA	149.46000
LogP	6.27420
Vapour Pressure	5.79E-17mmHg at 25°C
Index of Refraction	1.543

(2',5'-bis-O-(tert-butyldimethylsilyl)-beta-ribofuranosyl)-3'-spiro-5''-(4''-amino-1'',2''-oxathiole-2'',2''-dioxide)thymine structure

(2',5'-bis-O-(t...

CAS#:141781-17-1

3,3-Dimethylallyl bromide structure

3,3-Dimethylall...

CAS#:870-63-3

~67%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

5-O-Benzoyl-1,2-O-(1-methylethylidene)pentofuranos-3-ulose structure

5-O-Benzoyl-1,2...

CAS#:6698-46-0

~%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

(1-(β-D-ribofuranosyl)thymine)-3'-spiro-5''-(4''-amino-1'',2''-oxathiole 2'',2''-dioxide) structure

(1-(β-D-ribofur...

CAS#:141781-18-2

~%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

((3aR,5R,6R,6aR)-6-cyano-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate structure

((3aR,5R,6R,6aR...

CAS#:250588-64-8

~%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

1-(2'-O-acetyl-5'-O-benzoyl-3'-C-cyano-3'-O-mesyl-β-D-ribofuranosyl)thymine structure

1-(2'-O-acetyl-...

CAS#:142102-71-4

~%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

[(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 structure

[(6R,8R,9R)-9-a...

CAS#:142102-74-7

~%

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-methyl-3-(3-methylbut-2-enyl)pyrimidine-2,4-dione Structure

1-[(6R,8R,9R)-4...

CAS#:142102-82-7

Literature: Journal of Medicinal Chemistry, , vol. 35, # 16 p. 2988 - 2995

Precursor 5
CAS#:141781-17-1 (2',5'-bis-O-(t... CAS#:870-63-3 3,3-Dimethylall... CAS#:6698-46-0 5-O-Benzoyl-1,2... CAS#:250588-64-8 ((3aR,5R,6R,6aR...
CAS#:142102-74-7 [(6R,8R,9R)-9-a...
DownStream 0

3DiMeAllyl-2',5'diSilylSpiroT

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