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NewCan Biotech Limited

NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

1,4-Anhydro-2-deoxy-D-erythro-pent-1-enitol

Cas:96761-00-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

ribal

Cas:96761-00-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

home-produced Application:medicine

ribal

Cas:96761-00-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

(2R,3S)-2-(hydroxymethyl)-2,3-dihydrofuran-3-ol

Cas:96761-00-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Topbatt Chemical Co., Ltd.

Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ

Decitabine Impurity 15

Cas:96761-00-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Decitabine Impurity 15

Cas:96761-00-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients

Decitabine Impurity 15

Cas:96761-00-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry
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Synthetic route

(2R,3S)-2-Triisopropylsilanyloxymethyl-2,3-dihydro-furan-3-ol
96760-93-9

(2R,3S)-2-Triisopropylsilanyloxymethyl-2,3-dihydro-furan-3-ol

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran for 0.0166667h;98%
thymidine
50-89-5

thymidine

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

Conditions
ConditionsYield
With ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane for 4h; Heating;80%
Stage #1: thymidine With ammonium sulfate; 1,1,1,3,3-pentamethyldisilazane for 2h; Reflux;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 3h;		56%
Stage #1: thymidine With ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane at 130℃; for 2h;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 3h;		50%
2,3-O-Isopropylidene-5-O-trityl-α,β-ribofuranosyl chloride
58166-67-9

2,3-O-Isopropylidene-5-O-trityl-α,β-ribofuranosyl chloride

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

Conditions
ConditionsYield
With ammonia; lithium In tetrahydrofuran for 2h;
2'-Deoxyguanosine
961-07-9

2'-Deoxyguanosine

17β-Estradiol-3,4-quinone
144082-88-2

17β-Estradiol-3,4-quinone

A

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

B

7-[4-hydroxyestradiol-1(α,β)-yl]guanine

7-[4-hydroxyestradiol-1(α,β)-yl]guanine

C

2-amino-9-(4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-oxo-7-(3,4,17-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-1-yl)-6,7-dihydro-1H-purin-9-ium

2-amino-9-(4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-oxo-7-(3,4,17-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-1-yl)-6,7-dihydro-1H-purin-9-ium

Conditions
ConditionsYield
With acetic acid In water; N,N-dimethyl-formamide at 22℃; pH=4.0; Product distribution;
...Expand
2'-Deoxyguanosine
961-07-9

2'-Deoxyguanosine

hexestrol-3',4'-quinone
857837-21-9

hexestrol-3',4'-quinone

A

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

B

2-amino-7-{2-[1-ethyl-2-(4-hydroxy-phenyl)-butyl]-4,5-dihydroxy-phenyl}-1,7-dihydro-purin-6-one

2-amino-7-{2-[1-ethyl-2-(4-hydroxy-phenyl)-butyl]-4,5-dihydroxy-phenyl}-1,7-dihydro-purin-6-one

C

2-Amino-7-{2-[1-ethyl-2-(4-hydroxy-phenyl)-butyl]-4,5-dihydroxy-phenyl}-9-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-oxo-6,7-dihydro-1H-purin-9-ium

2-Amino-7-{2-[1-ethyl-2-(4-hydroxy-phenyl)-butyl]-4,5-dihydroxy-phenyl}-9-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-oxo-6,7-dihydro-1H-purin-9-ium

Conditions
ConditionsYield
With acetic acid In water; N,N-dimethyl-formamide at 22℃; pH=4.0; Product distribution;
...Expand
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
69304-37-6

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane

1,4-anhydro-2-deoxy-3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-D-erythro-pent-1-enitol
1160370-59-1

1,4-anhydro-2-deoxy-3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-D-erythro-pent-1-enitol

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide80%
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-iodo-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazin-4-one
476468-45-8

8-iodo-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazin-4-one

2-methyl-4-(N-methyl-N-phenylamino)-8-(β-D-glycero-pentofuran-3'-ulose-1'-yl)pyrazolo[1,5-a]-1,3,5-triazine
476468-46-9

2-methyl-4-(N-methyl-N-phenylamino)-8-(β-D-glycero-pentofuran-3'-ulose-1'-yl)pyrazolo[1,5-a]-1,3,5-triazine

Conditions
ConditionsYield
With tributyl-amine; triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 60℃; for 18h;75%
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

N-(7-iodopyrrolo[2,1-f][1,2,4]triazin-4-yl)benzamide

N-(7-iodopyrrolo[2,1-f][1,2,4]triazin-4-yl)benzamide

N-(7-((2R,5R)-5-(hydroxymethyl)-4-oxotetrahydrofuran-2-yl)pyrrolo[2,1-f][1,2,4]triazin-4-yl)benzamide

N-(7-((2R,5R)-5-(hydroxymethyl)-4-oxotetrahydrofuran-2-yl)pyrrolo[2,1-f][1,2,4]triazin-4-yl)benzamide

Conditions
ConditionsYield
With tributyl-amine; triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 100℃; Heck Reaction; Inert atmosphere; regioselective reaction;60%
8-iodo-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine
652539-01-0

8-iodo-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2′-deoxy-β-D-glyceropentofuran-3′-ulos-1′-yl)-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a][1,3,5]triazine

8-(2′-deoxy-β-D-glyceropentofuran-3′-ulos-1′-yl)-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
With triphenyl-arsane; triethylamine; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 100℃; for 16h; Solvent; Reagent/catalyst;34%
With tributyl-amine; triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 60℃; for 12.25h;
With triphenyl-arsane; triethylamine; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 82℃; for 16h;
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine
476468-47-0

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / bis(dibenzylideneacetone)palladium(0); Ph3As; (n-Bu)3N / acetonitrile / 18 h / 60 °C
2: 92 percent / sodium triacetoxyborohydride / acetonitrile / 0.33 h / 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-xylofuranosyl)-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine
476468-50-5

8-(2'-deoxy-β-D-xylofuranosyl)-2-methyl-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a]-1,3,5-triazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / bis(dibenzylideneacetone)palladium(0); Ph3As; (n-Bu)3N / acetonitrile / 18 h / 60 °C
2: 78 percent / K-selectride / acetonitrile / 0.33 h / 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-xylofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-cyclic phosphate benzyl ester
476468-52-7

8-(2'-deoxy-β-D-xylofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-cyclic phosphate benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 75 percent / bis(dibenzylideneacetone)palladium(0); Ph3As; (n-Bu)3N / acetonitrile / 18 h / 60 °C
2: 78 percent / K-selectride / acetonitrile / 0.33 h / 20 °C
3: 67 percent / ethanol / 12 h / 100 °C
4: 63 percent / t-BuOK / tetrahydrofuran / -40 - 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-bisphosphate

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-bisphosphate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 75 percent / bis(dibenzylideneacetone)palladium(0); Ph3As; (n-Bu)3N / acetonitrile / 18 h / 60 °C
2: 92 percent / sodium triacetoxyborohydride / acetonitrile / 0.33 h / 20 °C
3: 73 percent / ethanol / 12 h / 100 °C
4: 66 percent / t-BuOK / tetrahydrofuran / -40 - 20 °C
5: 91 percent / H2 / Pd/C / methanol / 1.4 h / 20 °C / 3102.97 Torr
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-bis(dibenzyl phosphate)
476468-49-2

8-(2'-deoxy-β-D-ribofuranosyl)-2-methyl-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-triazine 3',5'-bis(dibenzyl phosphate)

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 75 percent / bis(dibenzylideneacetone)palladium(0); Ph3As; (n-Bu)3N / acetonitrile / 18 h / 60 °C
2: 92 percent / sodium triacetoxyborohydride / acetonitrile / 0.33 h / 20 °C
3: 73 percent / ethanol / 12 h / 100 °C
4: 66 percent / t-BuOK / tetrahydrofuran / -40 - 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

(2R,3S)-3-(benzyloxy)-2-((benzyloxy)methyl)-2,3-dihydrofuran
154096-13-6

(2R,3S)-3-(benzyloxy)-2-((benzyloxy)methyl)-2,3-dihydrofuran

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine / 1 h / Ambient temperature
2: 91 percent / NaOH, K2CO3 / dimethylsulfoxide / 2 h / Ambient temperature
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

1,3-Dimethyl-2'-deoxypseudouridine
65358-16-9

1,3-Dimethyl-2'-deoxypseudouridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) Pd(OAc)2, 2.) Na2CO3 / 1.) acetonitrile, RT, 42 h, 2.) acetonitrile, 65 deg C, 1 h
2: 21 percent / LiBH4 / tetrahydrofuran / 1.5 h / -78 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

5-(2'-deoxy-β-D-threo-pentofuranosyl)-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione
103003-60-7

5-(2'-deoxy-β-D-threo-pentofuranosyl)-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) Pd(OAc)2, 2.) Na2CO3 / 1.) acetonitrile, RT, 42 h, 2.) acetonitrile, 65 deg C, 1 h
2: 40 percent / LiBH4 / tetrahydrofuran / 1.5 h / -78 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2’-deoxy-3’,5’-di(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a][1,3,5]triazine

8-(2’-deoxy-3’,5’-di(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-(N-methyl-N-phenylamino)pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2′-deoxy-3′,5′-bis(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-aminopyrazolo[1,5-a][1,3,5]triazine

8-(2′-deoxy-3′,5′-bis(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-aminopyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
View Scheme
Multi-step reaction with 4 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2’-deoxy-3’,5’-di(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-(N-benzoylamino)-pyrazolo[1,5-a][1,3,5]triazine

8-(2’-deoxy-3’,5’-di(tert-butyldimethylsilyl)-β-D-ribofuranosyl)-4-(N-benzoylamino)-pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2.1: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3.1: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4.1: ammonia / methanol / 19 h / 100 °C / Sealed tube
5.1: pyridine / 2 h / 0 - 20 °C
5.2: 0.83 h / 0 - 20 °C
View Scheme
Multi-step reaction with 5 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
5: pyridine / 2.5 h / 0 - 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2′-deoxy-β-D-ribofuranosyl)-4-(N-benzoylamino)-pyrazolo[1,5-a][1,3,5]triazine

8-(2′-deoxy-β-D-ribofuranosyl)-4-(N-benzoylamino)-pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2.1: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3.1: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4.1: ammonia / methanol / 19 h / 100 °C / Sealed tube
5.1: pyridine / 2 h / 0 - 20 °C
5.2: 0.83 h / 0 - 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
View Scheme
Multi-step reaction with 6 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
5: pyridine / 2.5 h / 0 - 20 °C
6: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2’-deoxy-5’-dimethoxytrityl-β-D-ribofuranosyl)-4-(N-benzoylamino)pyrazolo[1,5-a][1,3,5]triazine

8-(2’-deoxy-5’-dimethoxytrityl-β-D-ribofuranosyl)-4-(N-benzoylamino)pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2.1: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3.1: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4.1: ammonia / methanol / 19 h / 100 °C / Sealed tube
5.1: pyridine / 2 h / 0 - 20 °C
5.2: 0.83 h / 0 - 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
7.1: pyridine / 19 h / 0 - 20 °C
View Scheme
Multi-step reaction with 7 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
5: pyridine / 2.5 h / 0 - 20 °C
6: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
7: pyridine / 19 h / 0 - 20 °C / Inert atmosphere
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-[(3′-(2-cyanoethyl)-(N,N-diisopropyl))phosphoramidite-2′-deoxy-5′-dimethoxytrityl-β-D-ribofuranosyl]-4-(N-benzoylamino)pyrazolo[1,5-a][1,3,5]triazine

8-[(3′-(2-cyanoethyl)-(N,N-diisopropyl))phosphoramidite-2′-deoxy-5′-dimethoxytrityl-β-D-ribofuranosyl]-4-(N-benzoylamino)pyrazolo[1,5-a][1,3,5]triazine

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1.1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2.1: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3.1: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4.1: ammonia / methanol / 19 h / 100 °C / Sealed tube
5.1: pyridine / 2 h / 0 - 20 °C
5.2: 0.83 h / 0 - 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
7.1: pyridine / 19 h / 0 - 20 °C
8.1: DCI / dichloromethane / 1 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 8 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 60 h / 20 °C
4: ammonia / methanol / 19 h / 100 °C / Sealed tube
5: pyridine / 2.5 h / 0 - 20 °C
6: tetrabutyl ammonium fluoride / tetrahydrofuran / 6 h / 20 °C
7: pyridine / 19 h / 0 - 20 °C / Inert atmosphere
8: 4,5-dicyano-1H-imidazole / acetonitrile; dichloromethane / 1 h / 20 °C / Inert atmosphere
View Scheme
1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol
96761-00-1

1,4-anhydro-2-deoxy-D-erythro-pent-1-enitol

8-(2'-deoxy-β-D-ribofuranozyll)-4-(N-methyl-N-phenylamino)-pyrazolo[1,5a]-1,3,5-triazine

8-(2'-deoxy-β-D-ribofuranozyll)-4-(N-methyl-N-phenylamino)-pyrazolo[1,5a]-1,3,5-triazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triphenyl-arsane; bis(dibenzylideneacetone)-palladium(0); triethylamine / acetonitrile / 16 h / 82 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: triethylamine; bis(dibenzylideneacetone)-palladium(0); triphenyl-arsane / acetonitrile / 16 h / 100 °C
2: sodium tris(acetoxy)borohydride / acetonitrile / 5 h / 20 °C
View Scheme

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