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115887-91-7

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Basic Information
CAS No.: 115887-91-7
Name: sodium (2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxo-azetidine-1-sulfonate
Article Data: 5
Molecular Structure:
Molecular Structure of 115887-91-7 (sodium (2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxo-azetidine-1-sulfonate)
Formula: C12H14N2O6S.Na
Molecular Weight: 336.301
Synonyms: (2S-trans)-2-Methyl-4-oxo-3-[[(phenylmethoxy)carbonyl]amino]-1-azetidinesulfonic acid monosodium salt;(2S-trans)-2-methyl-4-oxo-3-[[(phenylmethoxy) carbonyl]amino]-1-azetidinesulfonic acid,monosodium salt;Sodium(2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxo-azetidine-1-sulfonate;
PSA: 124.22000
LogP: 1.38190
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Synthetic route

N-sulfo-N-benzyloxycarbonyl-O-methanesulfonyl-L-threonine amide

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
With sodium hydroxide In water at 2 - 80℃; for 4h; pH=9; Temperature; pH-value;80.8%
115887-89-3

(3S,4R)-3-benzyloxycarbonylamino-4-iodomethyl-2-oxoazetidine-1-sulphonic acid tetrabutylammonium salt

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
With Dowex 50 Wx4 resin; Na form; tri-n-butyl-tin hydride In tetrahydrofuran for 2h; Ambient temperature;
115764-26-6

(3S,4R)-3-benzyloxycarbonylamino-4-mesyloxymethyl-2-oxoazetidine-1-sulphonic acid tetrabutylammonium salt

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 50 percent / sodium iodide / acetonitrile / 3 h / Heating
2: tributyltin hydride, Dowex 50 Wx4 resin, Na form / tetrahydrofuran / 2 h / Ambient temperature
View Scheme
115935-89-2

(3R,4R)-3-benzyloxycarbonylamino-4-hydroxymethyl-2-oxoazetidine-1-sulphonic acid tetrabutylammonium salt

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 98 percent / pyridine / 1 h / -20 °C
2: 50 percent / sodium iodide / acetonitrile / 3 h / Heating
3: tributyltin hydride, Dowex 50 Wx4 resin, Na form / tetrahydrofuran / 2 h / Ambient temperature
View Scheme

C13H18N2O9S2

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
With sodium carbonate In water pH=8.25 - 8.35; Large scale;50 kg
57224-63-2

methyl (2S,3R)-2-(benzyloxycarbonylamino)-3-hydroxybutyrate

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: ammonia / methanol / Large scale
2: α-picoline / dichloromethane / Large scale
3: chlorosulfonic acid / Large scale
4: sodium carbonate / water / pH 8.25 - 8.35 / Large scale
View Scheme
49705-98-8

benzyl ((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamate

115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: α-picoline / dichloromethane / Large scale
2: chlorosulfonic acid / Large scale
3: sodium carbonate / water / pH 8.25 - 8.35 / Large scale
View Scheme
Multi-step reaction with 3 steps
1: α-picoline / dichloromethane; toluene / 10 h / 35 °C
2: chlorosulfonic acid / 10 h / -5 - 45 °C
3: sodium hydroxide / water / 4 h / 2 - 80 °C / pH 9
View Scheme
115887-91-7

(3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt

80082-65-1

(3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol; water for 2h; Ambient temperature;
With nitrogen; palladium In methanol; water
With hydrogenchloride; palladium on activated charcoal; hydrogen In methanol; water for 2h; pH=6.8 - 7;
Stage #1: (3S,4R)-3-benzyloxycarbonylamino-4-methyl-2-oxoazetidine-1-sulphonic acid sodium salt With 5%-palladium/activated carbon; hydrogen In methanol at 15℃; for 4h; Large scale;
Stage #2: With hydrogenchloride In methanol; water at 0℃; for 6h; Large scale;
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  • sodium (2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxo-azetidine-1-sulfonate

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    115887-91-7

    sodium (2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxo-azetidine-1-sulfonate

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0

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