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4'-chlorospiro[cyclopropane-1,3'-indoline]-2'-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1637752-36-3

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1637752-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1637752-36-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,7,7,5 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1637752-36:
(9*1)+(8*6)+(7*3)+(6*7)+(5*7)+(4*5)+(3*2)+(2*3)+(1*6)=193
193 % 10 = 3
So 1637752-36-3 is a valid CAS Registry Number.

1637752-36-3Downstream Products

1637752-36-3Relevant academic research and scientific papers

Discovery of Sisunatovir (RV521), an Inhibitor of Respiratory Syncytial Virus Fusion

Cockerill, G. Stuart,Angell, Richard M.,Bedernjak, Alexandre,Chuckowree, Irina,Fraser, Ian,Gascon-Simorte, Jose,Gilman, Morgan S. A.,Good, James A. D.,Harland, Rachel,Johnson, Sara M.,Ludes-Meyers, John H,Littler, Edward,Lumley, James,Lunn, Graham,Mathews, Neil,McLellan, Jason S.,Paradowski, Michael,Peeples, Mark E.,Scott, Claire,Tait, Dereck,Taylor, Geraldine,Thom, Michelle,Thomas, Elaine,Villalonga Barber, Carol,Ward, Simon E.,Watterson, Daniel,Williams, Gareth,Young, Paul,Powell, Kenneth

, p. 3658 - 3676 (2021/04/12)

RV521 is an orally bioavailable inhibitor of respiratory syncytial virus (RSV) fusion that was identified after a lead optimization process based upon hits that originated from a physical property directed hit profiling exercise at Reviral. This exercise encompassed collaborations with a number of contract organizations with collaborative medicinal chemistry and virology during the optimization phase in addition to those utilized as the compound proceeded through preclinical and clinical evaluation. RV521 exhibited a mean IC50 of 1.2 nM against a panel of RSV A and B laboratory strains and clinical isolates with antiviral efficacy in the Balb/C mouse model of RSV infection. Oral bioavailability in preclinical species ranged from 42 to >100% with evidence of highly efficient penetration into lung tissue. In healthy adult human volunteers experimentally infected with RSV, a potent antiviral effect was observed with a significant reduction in viral load and symptoms compared to placebo.

A convenient cyclopropanation process of oxindoles via bromoethylsulfonium salt

Qin, Hui,Miao, Yuanyuan,Zhang, Ke,Xu, Jian,Sun, Haopeng,Liu, Wenyuan,Feng, Feng,Qu, Wei

, p. 6809 - 6814 (2018/10/20)

A practical convenient conversion of oxindoles into the corresponding spirocyclopropyl oxindoles is achieved efficiently using bromoethylsulfonium salt, which is easily prepared on a large scale and is stable crystalline. This reaction of bromoethylsulfonium salt with different substituted unprotected oxindoles proceeded under mild condition and provided moderate yields.

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