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116757-23-4

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116757-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116757-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,5 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 116757-23:
(8*1)+(7*1)+(6*6)+(5*7)+(4*5)+(3*7)+(2*2)+(1*3)=134
134 % 10 = 4
So 116757-23-4 is a valid CAS Registry Number.

116757-23-4Downstream Products

116757-23-4Relevant articles and documents

B(C6F5)3-Catalyzed Electron Donor-Acceptor Complex-Mediated Aerobic Sulfenylation of Indoles under Visible-Light Conditions

Yuan, Wenkai,Huang, Jie,Xu, Xin,Wang, Long,Tang, Xiang-Ying

supporting information, p. 7139 - 7143 (2021/09/14)

An efficient B(C6F5)3-catalyzed aerobic oxidative C-S cross-coupling reaction of thiophenol with indoles was developed, affording a wide range of diaryl sulfides in good yields. An electron donor-acceptor complex between B(C6F5)3 and indoles was formed, facilitating the photoinduced single-electron transfer (SET) from indole substrates to the B(C6F5)3 catalyst. This protocol demonstrates a new reaction model using B(C6F5)3 as a single-electron oxidant.

Microwave assisted metal-/oxidant-free cascade electrophilic sulfenylation/5-endo-dig cyclization of 2-alkynylanilines to generate diversified 3-sulfenylindoles

Sharma, Shivani,Pathare, Ramdas S.,Sukanya,Maurya, Antim K.,Goswami, Bhagyashree,Agnihotri, Vijai K.,Sawant, Devesh M.,Pardasani, Ram T.

supporting information, p. 3823 - 3826 (2017/09/15)

A metal-/oxidant-free sustainable protocol for the synthesis of 3-sulfenylindoles based on electrophilic cyclization of 2-alkynylanilines has been developed under microwave irradiation. Herein, catalytic amount of iodine and stoichiometric amount of sulfonyl hydrazides were employed as catalyst and electrophiles respectively to induce the 5-endo-dig cyclization of 2-alkynylanilines. This strategy allows a wide substrate scope, demonstrates good functional group tolerance, utilizes easily available reagents and overcome multistep synthesis.

Metal-free synthesis of 3-sulfenylindoles via an iodine-mediated electrophilic cyclisation of 2-alkynylanilines with disulfides

Tao, Li-Ming,Liu, Wen-Qi,Zhou, Yun,Li, Ai-Tao

, p. 644 - 646 (2013/02/22)

An efficient and metal-free method was developed to synthesise 3-sulfenylindoles via the iodine-mediated electrophilic cyclisation of 2-alkynylanilines with disulfides. In the presence of I2, various 3-sulfenylindoles were obtained in moderate

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