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33757-36-7

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33757-36-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33757-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,5 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33757-36:
(7*3)+(6*3)+(5*7)+(4*5)+(3*7)+(2*3)+(1*6)=127
127 % 10 = 7
So 33757-36-7 is a valid CAS Registry Number.

33757-36-7Relevant articles and documents

Nickel Catalyzed Intermolecular Carbonyl Addition of Aryl Halide

Ishida, Seima,Suzuki, Hiroyuki,Uchida, Seiichiro,Yamaguchi, Eiji,Itoh, Akichika

supporting information, p. 7483 - 7487 (2019/12/11)

In this study, we develop a nickel-catalyzed carbonyl arylation reaction employing aldehydes with aryl and allyl halides. Various aryl, α,β-unsaturated aldehyde and aliphatic aldehydes can be converted into their corresponding secondary alcohols in moderate-to-high yields. In addition, we extended this approach to develop an asymmetric reductive coupling reaction that combines nickel salts with chiral bisoxazoline ligands to give secondary alcohols with moderate enantioselectivity.

Co(III)-Catalyzed Synthesis of Quinazolines via C-H Activation of N-Sulfinylimines and Benzimidates

Wang, Fen,Wang, He,Wang, Qiang,Yu, Songjie,Li, Xingwei

supporting information, p. 1306 - 1309 (2016/04/01)

C-H activation of arenes has been established as an important strategy for heterocycle synthesis via annulations between arenes and unsaturated coupling partners. However, nitriles failed to act as such a coupling partner. Dioxazolones have been employed as a synthon of nitriles, and subsequent coupling with arenes such as N-sulfinylimines and benzimidates bearing a functionalizable directing group provided facile access to two classes of quinazolines under Co(III)-catalysis.

Alkynes as activators in the nickel-catalysed addition of organoboronates to aldehydes

Takahashi, Go,Shirakawa, Eiji,Tsuchimoto, Teruhisa,Kawakami, Yusuke

, p. 1459 - 1461 (2007/10/03)

Alkynes act not as substrates but as co-catalysts in the presence of a nickel catalyst, an organoboronate and an aldehyde to promote the addition reaction between the substrates in combination with H2O. The Royal Society of Chemistry 2005.

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