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101499-38-1

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101499-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101499-38-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,4,9 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 101499-38:
(8*1)+(7*0)+(6*1)+(5*4)+(4*9)+(3*9)+(2*3)+(1*8)=111
111 % 10 = 1
So 101499-38-1 is a valid CAS Registry Number.

101499-38-1Relevant articles and documents

Photoaddition of ketene silyl acetals to electron-deficient arylakenes via single electron transfer

Mizuno, Kazuhiko,Takahashi, Naoki,Nishiyama, Toshinori,Inoue, Hiroo

, p. 7463 - 7466 (1995)

Photoreaction of 1-cyano-2-phenylethene and 1,1-dicyano-2-phenylethene with β,β-dialkyl-substituted ketene silyl acetals in acetonitrile in the presence of aromatic hydrocarbon as a photosensitizer regioselectively afforded alkylated products in high yields.

Scalable and Highly Diastereo- and Enantioselective Catalytic Diels-Alder Reaction of α,β-Unsaturated Methyl Esters

Gatzenmeier, Tim,Turberg, Mathias,Yepes, Diana,Xie, Youwei,Neese, Frank,Bistoni, Giovanni,List, Benjamin

supporting information, p. 12671 - 12676 (2018/10/15)

Despite tremendous advances in enantioselective catalysis of the Diels-Alder reaction, the use of simple α,β-unsaturated esters, one of the most abundant and useful class of dienophiles, is still severely limited in scope due to their low reactivity. We report here a catalytic asymmetric Diels-Alder methodology for a large variety of α,β-unsaturated methyl esters and different dienes based on extremely reactive silylium imidodiphosphorimidate (IDPi) Lewis acids. Mechanistic insights from accurate domain-based local pair natural orbital coupled-cluster (DLPNO-CCSD(T)) calculations rationalize the catalyst control and stereochemical outcome.

First sequential Mukaiyama-Michael reaction/crossed-Claisen condensation using two molar ketene silyl acetals and one molar α,β-unsaturated esters promoted by a NaOH catalyst

Tamagaki, Hiroaki,Nawate, Yuuya,Nagase, Ryohei,Tanabe, Yoo

supporting information; experimental part, p. 5930 - 5932 (2010/10/21)

The NaOH-catalyzed first sequential Mukaiyama-Michael reaction/crossed- Claisen condensation is developed using two molar ketene silyl acetals and one molar α,β-unsaturated esters in either a stepwise or one-pot manner.

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