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Side chain for imipenem

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Origin: China

Cas No: 90776-58-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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Products Specification
Product Description

Quick Details
CAS No.:
90776-58-2
Other Names:
Meropenem Intermediate 4BMA
MF:
C14H27NO4SI
EINECS No.:
N/A
Place of Origin:
China
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
98min%
Brand Name:
Milliflux
Model Number:
Intermediates
Application:
Used as intermediate
Appearance:
N/A
Packing:
1kg/Alu bag or 25kg/Drum
Assay:
98.0 %min
Storage:
Room Temperature
Grade:
EP,USP,CP,JP
Brand:
Milliflux Biopharma
Origin:
China
Website:
www.milliflux.com
Packaging&Delivery
Packaging Details
1kg/Alu bag or 25kg/Drum or as your special request.
Port
Any main port in china
Lead Time:
Quantity(Boxes) 1 - 25 >25
Est. Time(days) 3 To be negotiated

Property

CAS No.: 90776-58-2 Formula: C14H27NO4Si Molecular Weight: 301.45400

Basic Info

Chemical Name	Side chain for imipenem
Synonyms	4-BMA; Side chain for iMipe; SS-METHYLAZETIDIN-2-ONE; 1-Bma Or 4-Bma; 1-BMA; B-METHYLAZETIDIN-2-ONE;
CAS No.	90776-58-2
Molecular Formula	C14H27NO4Si
Molecular Weight	301.45400
PSA	75.63000
LogP	2.56080

Properties

Density	1.05 g/cm3
Boiling Point	424.4ºC at760mmHg
Melting Point	146-147ºC
Flash Point	210.5ºC
Refractive Index	1.471

Safety Info

Safety Statements	S22; S24/25
WGK Germany	3

Synthesis Route

(3R,4R)-4-acetoxy-3-[(1R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-oxoazetidine+2-[(E)-1-(tert-Butyl-dimethyl-silanyloxy)-propenylsulfanylmethyl]-3-methyl-pyridine→+(2R)-2-[(2S,3S)-3-{(1R)-1-(t-butyldimethylsilyloxy)ethyl}-4-oxoazetidin-2-yl]propionic acid
(3S,4R)-3-<(1R)-1-<(tert-Butyldimethylsilyl)oxy>ethyl>-4-<(1R)-1-<((4S)-4-isopropyl-2-thioxo-1,3-thiazolidin-3-yl)carbonyl>ethyl>azetidin-2-one→Side chain for imipenem

Precursor

(3S,4R)-3-<(1R)-1-<(tert-Butyldimethylsilyl)oxy>ethyl>-4-<(1R)-1-<((4S)-4-isopropyl-2-thioxo-1,3-thiazolidin-3-yl)carbonyl>ethyl>azetidin-2-one
(3R,4R)-4-acetoxy-3-[(1R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-oxoazetidine
2-[(E)-1-(tert-Butyl-dimethyl-silanyloxy)-propenylsulfanylmethyl]-3-methyl-pyridine

Downstream Product

Beta-Methyl Vinyl Phosphate
(3S,4S)-3-<(tert-butyldimethylsiloxy)methyl>-4-<1(R)-(methoxycarbonyl)ethyl>azetidin-2-one
(R)-2-[(2S,3S)-4-Oxo-3-((R)-1-triethylsilanyloxy-ethyl)-azetidin-2-yl]-thiopropionic acid S-((R)-5-oxo-1-triethylsilanyl-pyrrolidin-3-yl) ester
(4S,5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-[1,3]dithian-2-ylidene-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

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