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Methyl 1,2,4-triazole-3-carboxylate with best price cas 4928-88-5
Cas No: 4928-88-5
No Data 1 Kilogram 1000 Kilogram/Month Shanghai Bokchang Chemical Science and Technology Co.,Ltd Contact Supplier
Methyl 1,2,4-triazole-3-carboxylate
Cas No: 4928-88-5
No Data 1 Gram 100 Kilogram/Month Shanghai Send Pharmaceutical Technology Co., Ltd. Contact Supplier
1,2,4-triazole-3-carboxylicacidmethylester
Cas No: 4928-88-5
No Data No Data 50 Metric Ton/Month TAIZHOU DKD CHEMICAL CO, LTD., Contact Supplier
Methyl 1,2,4-triazole-3-carboxylate
Cas No: 4928-88-5
No Data 1 Kilogram 10 Metric Ton/Month SHANGHAI RC CHEMICALS CO.,LTD. Contact Supplier
Methyl 1,2,4-triazole-3-carboxylate
Cas No: 4928-88-5
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
1H-1,2,4-Triazole-3-carboxylic acid methyl ester
Cas No: 4928-88-5
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Factory Supply Methyl 1H-1,2,4-triazole-3-carboxylate
Cas No: 4928-88-5
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Methyl 1,2,4-triazole-3-carboxylate
Cas No: 4928-88-5
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Methyl 1,2,4-Triazole-3-carboxylate
Cas No: 4928-88-5
USD $ 1.0-1.0 / Kilogram 1 Kilogram 1000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
1H-1,2,4-Triazole-3-carboxylic acid methyl ester
Cas No: 4928-88-5
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4928-88-5 Usage

InChI:InChI=1/C4H5N3O2/c1-9-4(8)3-5-2-6-7-3/h2H,1H3,(H,5,6,7)

4928-88-5 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (B24750)  Methyl 1,2,4-triazole-3-carboxylate, 98%    4928-88-5 5g 587.0CNY Detail
Alfa Aesar (B24750)  Methyl 1,2,4-triazole-3-carboxylate, 98%    4928-88-5 25g 1259.0CNY Detail
Alfa Aesar (B24750)  Methyl 1,2,4-triazole-3-carboxylate, 98%    4928-88-5 100g 3973.0CNY Detail
Aldrich (530352)  Methyl-1H-1,2,4-triazole-3-carboxylate  98% 4928-88-5 530352-25G 1,888.38CNY Detail

4928-88-5Synthetic route

methanol
67-56-1

methanol

1,2,4-triazole-3-carboxylic acid
4928-87-4

1,2,4-triazole-3-carboxylic acid

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With thionyl chloride at 0 - 65℃; for 3h;97%
With thionyl chloride at 10 - 20℃;80%
With hydrogenchloride
methanol
67-56-1

methanol

sodium methylate
124-41-4

sodium methylate

C3H2Cl3N3

C3H2Cl3N3

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
at 50℃; for 3h;91.2%
5-amino-1H-[1,2,4]-triazole-3-carboxylic acid methyl ester
3641-14-3

5-amino-1H-[1,2,4]-triazole-3-carboxylic acid methyl ester

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With sodium hypophosphite; phosphoric acid; sodium nitrite In water at 0 - 20℃; for 1h; Reagent/catalyst; Temperature;75%
methanol
67-56-1

methanol

monopotassium salt of 1,2,4-triazole-3,5-dicarboxylic acid
26663-10-5

monopotassium salt of 1,2,4-triazole-3,5-dicarboxylic acid

A

dimethyl 1H-1,2,4-triazole-3,5-dicarboxylate
26663-15-0

dimethyl 1H-1,2,4-triazole-3,5-dicarboxylate

B

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With hydrogenchloride at 0℃; for 2h;A 17%
B 15%
methanol
67-56-1

methanol

1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With hydrogenchloride In water at 80℃; for 4h;
methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
57198-04-6, 39925-10-5

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In methanol95%
With toluene-4-sulfonic acid In ethanol92%
With toluene-4-sulfonic acid In 2-methyl-propan-1-ol92%
cyclohexenone
930-68-7

cyclohexenone

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(3-oxocyclohexyl)-1H-1,2,4-triazole-3-carboxylate

methyl 1-(3-oxocyclohexyl)-1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In acetonitrile at 23℃; for 1h; Michael Addition;95%
1,2,3-tri-O-acetyl-α,β-D-ribofuranose-5-[phenylbis(isoamyl-L-aspartyl)]phosphate

1,2,3-tri-O-acetyl-α,β-D-ribofuranose-5-[phenylbis(isoamyl-L-aspartyl)]phosphate

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1-(methyl 1H-1,2,4-triazole-3-carboxylate-1-yl)-2',3'-di-O-acetyl-β-D-ribofuranose-5-[phenylbis(isoamyl-L-aspartyl)]phosphate

1-(methyl 1H-1,2,4-triazole-3-carboxylate-1-yl)-2',3'-di-O-acetyl-β-D-ribofuranose-5-[phenylbis(isoamyl-L-aspartyl)]phosphate

Conditions
ConditionsYield
With tin(IV) chloride In 1,2-dichloro-ethane at 20℃; for 24h; Vorbrueggen Nucleoside Synthesis; diastereoselective reaction;92%
cyclohexylamine
108-91-8

cyclohexylamine

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

N-cyclohexyl-1H-1,2,4-triazole-3-carboxamide

N-cyclohexyl-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With trimethylaluminum In toluene at 0℃; for 9h; Inert atmosphere; Reflux;92%
methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1H-[1,2,4]triazole-3-carboxylic acid hydrazide
21732-98-9

1H-[1,2,4]triazole-3-carboxylic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In methanol for 24h; Reflux;91%
methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

methyl 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylate
38934-69-9

methyl 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With methanol; sodium iodide at 65℃; for 1h; Reagent/catalyst;90%
With trifluorormethanesulfonic acid at 55℃; for 1h; Microwave irradiation;246.92 g
chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2-ethoxy-2-oxoethyl)-1,2,4-triazole-3-carboxylate

methyl 1-(2-ethoxy-2-oxoethyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 80℃; for 24h;89%
4-flourophenylmagnesium bromide
352-13-6

4-flourophenylmagnesium bromide

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

bis(4-fluorophenyl)(1H-1,2,4-triazol-3-yl)methanol

bis(4-fluorophenyl)(1H-1,2,4-triazol-3-yl)methanol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at 0 - 20℃; Grignard Reaction; Inert atmosphere;89%
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
6974-32-9

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate
39925-12-7

methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In methanol85%
1,2,3,5-tetra-O-acetyl-β-L-ribofuranose
144490-03-9

1,2,3,5-tetra-O-acetyl-β-L-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

A

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-5-carboxylate
263708-15-2

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-5-carboxylate

B

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
206269-26-3

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 165 - 175℃; for 0.416667h; Condensation;A 11%
B 84%
trityl chloride
76-83-5

trityl chloride

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1-trityl-1H-[1,2,4]triazole-3-carboxylic acid methyl ester
151607-70-4

1-trityl-1H-[1,2,4]triazole-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With triethylamine In methanol; N,N-dimethyl-formamide84%
With triethylamine In N,N-dimethyl-formamide84%
With triethylamine In DMF (N,N-dimethyl-formamide) at 25℃; for 96h;84%
4-amino-o-xylene
95-64-7

4-amino-o-xylene

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

N-(3,4-dimethylphenyl)-1H-1,2,4-triazole-3-carboxamide

N-(3,4-dimethylphenyl)-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With trimethylaluminum In toluene at 0℃; for 9h; Inert atmosphere; Reflux;83%
1,2,3,5-tetra-O-acetyl-D-ribofuranose
28708-32-9

1,2,3,5-tetra-O-acetyl-D-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
57198-04-6, 39925-10-5

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With iodine at 100 - 115℃; for 3h; Temperature;82%
tin(IV) chloride In dichloromethane at 5 - 20℃; for 2h; Heating / reflux;
1,2-di-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-D-ribofuranose
444019-07-2

1,2-di-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-D-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

A

1-(2-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester
1065271-43-3

1-(2-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester

B

2-(2-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester
1065271-44-4

2-(2-O-acetyl-5-O-benzoyl-3-deoxy-3-C-methyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 165℃; for 1.5h;A 81%
B 3%
4-tert-Butylaniline
769-92-6

4-tert-Butylaniline

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

N-(4-(tert-butyl)phenyl)-1H-1,2,4-triazole-3-carboxamide

N-(4-(tert-butyl)phenyl)-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With trimethylaluminum In toluene at 0℃; for 9h; Inert atmosphere; Reflux;81%
(2R,3R,4R,5R)-5-(benzoyloxymethyl)-3-methyltetrahydrofuran-2,3,4-triyl tribenzoate

(2R,3R,4R,5R)-5-(benzoyloxymethyl)-3-methyltetrahydrofuran-2,3,4-triyl tribenzoate

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2-methyl-2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate
1254180-64-7

methyl 1-(2-methyl-2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With trimethylsilyl trifluoromethanesulfonate; 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 60℃; for 3h;80%
1,2-di-O-acetyl-3,5-di-O-benzoyl-β-L-xylofuranosyle
201287-82-3

1,2-di-O-acetyl-3,5-di-O-benzoyl-β-L-xylofuranosyle

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2-O-acetyl-3,5-di-O-benzoyl-β-L-xylofuranosyl)-1,2,4-triazole-3-carboxylate

methyl 1-(2-O-acetyl-3,5-di-O-benzoyl-β-L-xylofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 165 - 175℃; for 0.416667h; Condensation;79%
Bis(p-nitrophenyl) phosphate
645-15-8

Bis(p-nitrophenyl) phosphate

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
57198-04-6, 39925-10-5

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester

Conditions
ConditionsYield
In cyclohexane; benzene77.8%
methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 80 - 147℃; for 0.833333h; Temperature; Large scale;77.1%
1,2-di-O-acetyl-5-O-benzoyl-3-deoxy-L-erythro-pentofuranose
170079-20-6

1,2-di-O-acetyl-5-O-benzoyl-3-deoxy-L-erythro-pentofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2-O-acetyl-5-O-benzoyl-3-deoxy-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
263708-28-7

methyl 1-(2-O-acetyl-5-O-benzoyl-3-deoxy-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 165 - 175℃; for 0.416667h; Condensation;77%
1,2,3,5-tetra-O-acetyl-α-L-ribofuranose
659722-55-1

1,2,3,5-tetra-O-acetyl-α-L-ribofuranose

1,2,3,5-tetra-O-acetyl-β-L-ribofuranose
144490-03-9

1,2,3,5-tetra-O-acetyl-β-L-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
206269-26-3

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
Stage #1: 1,2,3,5-tetra-O-acetyl-α-L-ribofuranose; 1,2,3,5-tetra-O-acetyl-β-L-ribofuranose; methyl 1H-1,2,4-triazole-3-carboxylate With acetic anhydride In dichloromethane at 90 - 120℃; under 22.5023 Torr; for 1.33333h;
Stage #2: With trifluorormethanesulfonic acid at 110 - 120℃; for 4h;
75.1%
4-(chloromethyl)-7-methoxy-2H-chromen-2-one
41295-55-0

4-(chloromethyl)-7-methoxy-2H-chromen-2-one

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-((7-methoxy-2-oxo-2H-chromen-4-yl)methyl)-1,2,4-triazole-3-carboxylate

methyl 1-((7-methoxy-2-oxo-2H-chromen-4-yl)methyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
Stage #1: methyl 1H-1,2,4-triazole-3-carboxylate With sodium hydride In N,N-dimethyl-formamide at 20℃; for 2h;
Stage #2: 4-(chloromethyl)-7-methoxy-2H-chromen-2-one In N,N-dimethyl-formamide at 80℃;
75%
methylamine
74-89-5

methylamine

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

N-methyl-1H-1,2,4-triazole-3-carboxamide

N-methyl-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
In methanol for 1h; Reflux;73%
α-D-1,3,5-tri-O-benzoyl-2-O-[3-(trifluoromethyl)benzoyl]ribofuranose
145828-13-3

α-D-1,3,5-tri-O-benzoyl-2-O-[3-(trifluoromethyl)benzoyl]ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-((2R,3R,4R,5R)-4-(benzoyloxy)-5-((benzoyloxy)methyl)-3-((3-(trifluoromethyl)benzoyl)oxy)tetrahydrofuran-2-yl)-1H-1,2,4-triazole-3-carboxylate
1384470-92-1

methyl 1-((2R,3R,4R,5R)-4-(benzoyloxy)-5-((benzoyloxy)methyl)-3-((3-(trifluoromethyl)benzoyl)oxy)tetrahydrofuran-2-yl)-1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 120℃; for 15h; Microwave irradiation; regioselective reaction;72%
1,2,3,5-tetra-O-acetyl-α-L-ribofuranose
659722-55-1

1,2,3,5-tetra-O-acetyl-α-L-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
206269-26-3

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
Stage #1: 1,2,3,5-tetra-O-acetyl-α-L-ribofuranose; methyl 1H-1,2,4-triazole-3-carboxylate In acetic acid methyl ester at 90℃;
Stage #2: With trifluorormethanesulfonic acid In acetic acid methyl ester at 115℃; under 22.5023 Torr; for 4h;
70%
With trifluorormethanesulfonic acid In acetic acid methyl ester at 90 - 115℃; under 22.5023 Torr; for 4h;70%
(3aR,3bR,4aS,5S,5aS)-3b-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-ol
915694-38-1

(3aR,3bR,4aS,5S,5aS)-3b-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-ol

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-((3aR,3bR,4aS,5R,5aS)-3b-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-yl)-1H-1,2,4-triazole-3-carboxylate

methyl 1-((3aR,3bR,4aS,5R,5aS)-3b-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-yl)-1H-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
Stage #1: methyl 1H-1,2,4-triazole-3-carboxylate With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃;
Stage #2: (3aR,3bR,4aS,5S,5aS)-3b-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-ol In tetrahydrofuran at 20℃;
68%
1,2,3,5-tetra-O-acetyl-β-L-ribofuranose
144490-03-9

1,2,3,5-tetra-O-acetyl-β-L-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
206269-26-3

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 160 - 165℃; for 0.416667h;66%
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