153851-71-9 6,7-Dihydro-6-mercapto-5h-pyrazolo[1,2-a][1,2,4]triazol-4-ium chloride AKSci L840
 
 
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  L840    
6,7-Dihydro-6-mercapto-5h-pyrazolo[1,2-a][1,2,4]triazol-4-ium chloride
, 98%
 



IDENTITY
CAS Number:153851-71-9
MDL Number:MFCD08062366
MF:C5H8ClN3S
MW:177.66
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:98%
Physical Form (at 20°C):Solid
Melting Point:113-116°C
Long-Term Storage:Store long-term at -20°C
DOT/IATA TRANSPORT INFORMATION
Not hazardous material

REVIEW

 A key intermediate used in the synthesis of the side chain portion of carbopenem antibiotics such as biapenem.

REFERENCES
[1]Wildonger, Kenneth J.; Ratcliffe, Ronald W. Heteroaryliumthio substituted carbapenem derivatives: synthesis and in vitro activity of 1β-methyl-2-(dihydropyrrolotriazoliumthio)carbapenems Journal of Antibiotics (1993), 46(12), 1866-82.
[2] Sano, Atsunori; Sumino, Motoshige; Tani, Tsutomu Preparation of 6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazolium salts as intermediates for carbapenems Jpn. Kokai Tokkyo Koho (1995), JP 07076585 A 19950320.
[3] Kumagai, Toshio; Tamai, Satoshi; Abe, Takao; Matsunaga, Hiroshi; Hayashi, Kazuhiko; Kishi, Ikuo; Shiro, Motoo; Nagao, Yoshimitsu New Straightforward Synthesis and Characterization of a Unique 1β-Methylcarbapenem Antibiotic Biapenem Bearing a s-Symmetric Bicyclotriazoliumthio Group as the Pendant Moiety Journal of Organic Chemistry (1998), 63(23), 8145-8149.
[4] Padmanabhan, Ramar; Sreedhar, Gedi; Siddhumanickam, Ramasamy; Senthilkumar, Udayampalayam Palanisamy Preparation of Biapenem carbapenem antibiotic PCT Int. Appl. (2013), WO 2013132422 A1 20130912.

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Warning

Hazard Statements
H315; H319; H335

Precautionary Statements
P261; P264; P271; P280; P302+P352; P304+P340; P305+P351+P338; P312; P321; P332+P313; P337+P313; P362; P403+P233; P405; P501


Current as of October 13, 2024


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CATEGORIES

 APIs and Bioactives > Carbapenems
 Heterocyclic Building Blocks > Fused Heterocycles, Pyrazoles, Triazoles, Thiols
 Heterocyclic Building Blocks > Fused Heterocycles, Pyrazoles, Triazoles, Thiols


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