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1950-69-2

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1950-69-2 Usage

Synthesis Reference(s)

The Journal of Organic Chemistry, 28, p. 2766, 1963 DOI: 10.1021/jo01045a066

Check Digit Verification of cas no

The CAS Registry Mumber 1950-69-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,5 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1950-69:
(6*1)+(5*9)+(4*5)+(3*0)+(2*6)+(1*9)=92
92 % 10 = 2
So 1950-69-2 is a valid CAS Registry Number.
InChI:InChI=1/C7H7BrO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3

1950-69-2Relevant articles and documents

Solid-phase intermolecular radical reactions 1. Sulfonyl radical addition to isolated alkenes and alkynes

Caddick, Stephen,Hamza, Daniel,Wadman, Sjoerd N.

, p. 7285 - 7288 (1999)

The addition of toluenesulfonyl radicals to solid-supported alkenes and alkynes gives bromo-sulfonyl alkenes and alkanes in good yields.

Facile synthesis of sulfonyl chlorides/bromides from sulfonyl hydrazides

Chen, Rongxiang,Xu, Shaohong,Shen, Fumin,Xu, Canran,Wang, Kaikai,Wang, Zhanyong,Liu, Lantao

, (2021/09/20)

A simple and rapid method for efficient synthesis of sulfonyl chlorides/bromides from sulfonyl hydrazide with NXS (X = Cl or Br) and late-stage conversion to several other functional groups was described. A variety of nucleophiles could be engaged in this transformation, thus permitting the synthesis of complex sulfonamides and sulfonates. In most cases, these reactions are highly selective, simple, and clean, affording products at excellent yields.

Norbornadiene-bridged diarylethenes and their conversion into turn-off fluorescent photoswitches

Büllmann, Simon M.,J?schke, Andres

supporting information, p. 7124 - 7127 (2020/07/14)

We describe the synthesis and characterization of novel diarylethene photoswitches that contain a norbornadiene bridge and operate as p-type positive photochromes. One of the double bonds of norbornadiene is furthermore utilized to attach a fluoresceine tetrazine by an iEDDA cascade reaction, thereby forming a turn-off mode fluorescent photoswitch. This journal is

Synergistic Dual Role of [hmim]Br-ArSO2Cl in Cascade Sulfenylation-Halogenation of Indole: Mechanistic Insight into Regioselective C-S and C-S/C-X (X = Cl and Br) Bond Formation in One Pot

Equbal, Danish,Singh, Richa,Saima,Lavekar, Aditya G.,Sinha, Arun K.

supporting information, p. 2660 - 2675 (2019/03/14)

Bifunctionalized indoles are an important class of biologically active heterocyclic compounds and potential drug candidates. Because of the lack of efficient synthetic methods, one pot cascade synthesis of these compounds is rare and remains a challenge.

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