Home Cart Sign in  
Chemical Structure| 769937-44-2 Chemical Structure| 769937-44-2

Structure of 769937-44-2

Chemical Structure| 769937-44-2

*Storage: {[sel_prStorage]}

*Shipping: {[sel_prShipping]}

,{[proInfo.pro_purity]}

4.5 *For Research Use Only !

{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]} Purity: {[proInfo.pro_purity]}

Change View

Size Price VIP Price

US Stock

Global Stock

In Stock
{[ item.pr_size ]} Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price, item.vip_usd) ]}

US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days

  • {[ item.pr_size ]}

In Stock

- +

Please Login or Create an Account to: See VIP prices and availability

US Stock: ship in 0-1 business day
Global Stock: ship in 2 weeks

  • 1-2 Day Shipping
  • High Quality
  • Technical Support
Product Citations

Alternative Products

Product Details of [ 769937-44-2 ]

CAS No. :769937-44-2
Formula : C5H8ClN3O2S
M.W : 209.65
SMILES Code : CN(S(=O)(N1N=CC=C1Cl)=O)C
MDL No. :MFCD25970288

Safety of [ 769937-44-2 ]

Application In Synthesis of [ 769937-44-2 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 769937-44-2 ]

[ 769937-44-2 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 769937-44-2 ]
  • [ 934758-92-6 ]
YieldReaction ConditionsOperation in experiment
95% With trifluoroacetic acid; In dichloromethane; at 20℃; for 2h; 5-Chloro-lH-pyrazole.[0500] To a solution of 5-chloro-N,N-dimethyl-lH-pyrazole-l-sulfonamide (30 g, 143 mmol) in dichloromethane (500 mL) was added trifluoroacetic acid (45.7 g, 401 mmol). The reaction mixture was stirred for 2 h at room temperature and quenched by water. The pH of the solution was adjusted to 8 with saturated sodium bicarbonate. The resulting solution was extracted with dichloromethane and concentrated in vacuo to afford 5-chloro-lH-pyrazole as a reddish solid (14 g , 95%). LCMS (ESI): M+H+ = 103.0.
With trifluoroacetic acid; In dichloromethane; at 0 - 20℃; for 48h; 5-chloro-N,N-dimethyl-lH-pyrazole-l -sulfonamide (8.9 g, 50.8 mmol) was dissolved in anhydrous dichloromethane (40 mL), TFA (80 mL, 1016 mmol) was added at 00C, and the mixture was stirred at room temperature for 2 days. The mixture was partially evaporated, hexane was added, and the solid was filtered and then rinsed with hexane. The filtrate was evaporated, and the crude 5-chloro-lH-pyrazole was used in the next step without further purification
 

Historical Records