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302351-88-8

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302351-88-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 302351-88-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,2,3,5 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 302351-88:
(8*3)+(7*0)+(6*2)+(5*3)+(4*5)+(3*1)+(2*8)+(1*8)=98
98 % 10 = 8
So 302351-88-8 is a valid CAS Registry Number.

302351-88-8Downstream Products

302351-88-8Relevant articles and documents

Alkanethiol-Mediated Cyclization of o-Alkynylisocyanobenzenes: Synthesis of Bis-Thiolated Indole Derivatives

La-Ongthong, Kannika,Naweephattana, Phiphop,Khaikate, Onnicha,Surawatanawong, Panida,Soorukram, Darunee,Pohmakotr, Manat,Reutrakul, Vichai,Leowanawat, Pawaret,Kuhakarn, Chutima

, p. 6338 - 6351 (2020)

Reactions of o-alkynylisocyanobenzenes with a variety of alkanethiols (Alk-SH) provide the corresponding bis-thiolated indole derivatives. The advantages of the reaction include metal-free, room-temperature, mild reaction conditions and broad functional group compatibility. The reaction proceeds via nucleophilic addition of an alkanethiol to an isonitrile moiety, 5-exo cyclization, followed by nucleophilic addition of an alkanethiol to a 3-alkylidene indole intermediate. Density functional calculations on the electronic structures and relative free energies of 5-exo and 6-endo cyclization pathways support that the 5-exo cyclization is preferable.

Synthesis of 3-substituted quinolin-2(1H)-ones via the cyclization of o-alkynylisocyanobenzenes

Charoenpol, Ailada,Meesin, Jatuporn,Khaikate, Onnicha,Reutrakul, Vichai,Pohmakotr, Manat,Leowanawat, Pawaret,Soorukram, Darunee,Kuhakarn, Chutima

, p. 7050 - 7054 (2018/10/17)

A facile synthesis of various functionalized 3-substituted quinolin-2(1H)-ones through Ag(i) nitrate-catalyzed cyclization of o-alkynylisocyanobenzenes is described. The reaction allows rapid and convenient access to 3-substituted quinolin-2(1H)-one scaffolds in moderate to good yields.

Synthesis of 2-halogenated quinolines by halide-mediated intramolecular cyclization of o-alkynylaryl isocyanides

Mitamura, Takenori,Nomoto, Akihiro,Sonoda, Motohiro,Ogawa, Akiya

supporting information; experimental part, p. 822 - 824 (2010/09/06)

When o-alkynylaryl isocyanides 1 are treated with triethylamine in chloroform, intramolecular chlorinating cyclization of the isocyanides takes place, affording the corresponding 2-chlorinated quinoline derivatives 2 in good to excellent yields, selective

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