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132203-22-6

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132203-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132203-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,2,0 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 132203-22:
(8*1)+(7*3)+(6*2)+(5*2)+(4*0)+(3*3)+(2*2)+(1*2)=66
66 % 10 = 6
So 132203-22-6 is a valid CAS Registry Number.

132203-22-6Relevant articles and documents

Direct Catalytic Asymmetric Addition of Alkylnitriles to Aldehydes with Designed Nickel–Carbene Complexes

Saito, Akira,Adachi, Shinya,Kumagai, Naoya,Shibasaki, Masakatsu

supporting information, p. 8739 - 8743 (2021/03/16)

A direct catalytic asymmetric addition of acetonitrile to aldehydes that realizes over 90 % ee is the ultimate challenge in alkylnitrile addition chemistry. Herein, we report achieving high enantioselectivity by the strategic use of a sterically demanding NiII pincer carbene complex, which afforded highly enantioenriched β-hydroxynitriles. This highly atom-economical process paves the way for exploiting inexpensive acetonitrile as a promising C2 building block in a practical synthetic toolbox for asymmetric catalysis.

Synthesis of Functionalized Benzo[b]furans via Oxidative Cyclization of o-Cinnamyl Phenols

Rehan, Mohammad,Nallagonda, Rajender,Das, Braja Gopal,Meena, Tannu,Ghorai, Prasanta

, p. 3411 - 3424 (2017/04/13)

Disclosed herein is an efficient synthetic route for the synthesis of functionalized 2-benzyl benzo[b]furans via a regioselective 5-exo-trig intramolecular oxidative cyclization of ortho-cinnamyl phenols using [PdCl2(CH3CN)2] as catalyst and benzoquinone as an oxidant. Further, a sequential ortho-cinnamylation of phenols using cinnamyl alcohols catalyzed by Re2O7, followed by an oxidative cyclization using the above Pd catalyst, is performed. The reaction showed broad substrate scope with good to excellent yields.

N-Heterocyclic carbene-catalyzed cyanomethylation of aldehydes with TMSAN

Fan, Ye-Cheng,Du, Guang-Fen,Sun, Wan-Fu,Kang, Wei,He, Lin

supporting information; experimental part, p. 2231 - 2233 (2012/05/20)

N-Heterocyclic carbenes (NHCs) have been served as efficient catalysts for cyanomethylation of carbonyl compounds. In the presence of 5 mol % NHC, various aldehydes and 2,2,2-trifluoroacetophenone reacted with trimethylsilylacetonitrile (TMSAN) to give β-hydroxynitriles in moderate to high yields.

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