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1084-95-3

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1084-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1084-95-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,8 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1084-95:
(6*1)+(5*0)+(4*8)+(3*4)+(2*9)+(1*5)=73
73 % 10 = 3
So 1084-95-3 is a valid CAS Registry Number.

1084-95-3Relevant articles and documents

Cobalt(II)-Catalyzed Csp2-H Alkynylation/Annulation with Terminal Alkynes: Selective Access to 3-Methyleneisoindolin-1-one

Zhang, Lin-Bao,Hao, Xin-Qi,Liu, Zhan-Jiang,Zheng, Xin-Xiang,Zhang, Shou-Kun,Niu, Jun-Long,Song, Mao-Ping

, p. 10012 - 10015 (2015)

A highly efficient cobalt(II)-catalyzed alkynylation/annulation of terminal alkynes assisted by an N,O-bidentate directing group is described. This protocol is characterized by wide substrate scope utilizing cheap cobalt catalysts, and offers a new approa

Use of Imidazo[1,5-a]pyridin-3-ylidene as a Platform for Metal-Imidazole Cooperative Catalysis: Silver-Catalyzed Cyclization of Alkyne-Tethered Carboxylic Acids

Rawat, Vishal Kumar,Higashida, Kosuke,Sawamura, Masaya

, p. 1631 - 1637 (2021/02/03)

Silver complexes with 5-(4-(tert-butyl)-1H-imidazol-1-yl)-imidazo[1,5-a]pyridin-3-ylidene ligands were synthesized as metal-imidazole acid-base cooperative catalysts. Single crystal XRD analysis revealed that the silver atom was located in the vicinity of

Fe(III)-Catalyzed, Cyclizative Coupling between 2-Alkynylbenzoates and Carbinols: Rapid Generation of Polycyclic Isocoumarins and Phthalides and Mechanistic Study

Gandhi, Soniya,Baire, Beeraiah

, p. 2651 - 2657 (2020/05/25)

FeCl3 catalyzed, highly regioselective cyclizative coupling of internal alkynes with alcohols has been reported for the rapid synthesis of structurally divergent, complex isocoumarins and phthalides respectively in intermolecular and intramolecular fashion. This strategy exhibited very high substrate scope and efficiency and proceeds through the simultaneous formation of C?O and C?C bonds. Observations from a series of control experiments supported a) the mechanism as Lewis acid catalyzed dual activation of ester and alcohol, b) the role of carbocation for the enhanced rates of cyclization, i. e., activation of alkyne by carbocation, and c) no role of HCl in the reported cascade process. (Figure presented.).

Green preparation method of 3-hydroxy isoindole-1-one compounds

-

, (2020/01/03)

The invention discloses a green preparation method of 3-hydroxy isoindole-1-one compounds, and belongs to the technical field of organic synthesis. The method comprises the following steps: adopting 2-alkynyl benzamide as a reaction substrate, adding a br

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