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92553-10-1

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92553-10-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92553-10-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,5 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92553-10:
(7*9)+(6*2)+(5*5)+(4*5)+(3*3)+(2*1)+(1*0)=131
131 % 10 = 1
So 92553-10-1 is a valid CAS Registry Number.

92553-10-1Downstream Products

92553-10-1Relevant articles and documents

Br?nsted acid-catalyzed enantioselective addition of 1,3-diones to in situ generated N-acyl ketimines

Sadhu, Milon M.,Ray, Sumit K.,Unhale, Rajshekhar A.,Singh, Vinod K.

supporting information, p. 410 - 414 (2022/01/20)

A Br?nsted acid-catalyzed asymmetric Mannich-type addition of 1,3-diones to cyclic N-acyl ketimines is reported for the synthesis of enantioenriched isoindolinones. Various dicarbonyl-substituted isoindolinones bearing a quaternary carbon stereocenter were synthesized with excellent yields (up to 98%) and moderate to high enantioselectivities (up to 95% ee), and most of them possess a fluorine atom at the reactive center. Furthermore, the synthetic utility of the protocol has been demonstrated by the debenzoylation of the product.

BF3·OEt2-Catalyzed Vinyl Azide Addition to in Situ Generated N-Acyl Iminium Salts: Synthesis of 3-Oxoisoindoline-1-acetamides

Kumar Das, Deb,Kannaujiya, Vinod Kumar,Sadhu, Milon M.,Ray, Sumit Kumar,Singh, Vinod K.

, p. 15865 - 15876 (2019/12/24)

BF3·OEt2-catalyzed nucleophilic addition of vinyl azides to in situ generated N-acyl iminium salts obtained from 3-hydroxyisoindolinones is described in this article. The procedure is operationally simple, mild, additive, and metal-free. The reaction proceeds smoothly at ambient temperature with a wide range of 3-hydroxyisoindol-1-ones and vinyl azides to afford 3-oxoisoindoline-1-acetamides (32 examples) in high yields (up to 97%). Furthermore, the synthetic utility of this methodology is depicted by exploiting the reactivity of an amide functionality in the products.

A chiral Br?nsted acid-catalyzed highly enantioselective Mannich-type reaction of α-diazo esters with in situ generated N -acyl ketimines

Unhale, Rajshekhar A.,Sadhu, Milon M.,Ray, Sumit K.,Biswas, Rayhan G.,Singh, Vinod K.

supporting information, p. 3516 - 3519 (2018/04/10)

A chiral phosphoric acid-catalyzed asymmetric Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines, derived from 3-hydroxyisoindolinones has been demonstrated in this communication. A variety of isoindolinone-based α-amino diazo esters bearing a quaternary stereogenic center were afforded in high yields (up to 99%) with excellent enantioselectivities (up to 99% ee). Furthermore, the synthetic utility of the products has been depicted by the hydrogenation of the diazo moiety of adducts.

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