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1452892-54-4

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1452892-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1452892-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,2,8,9 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1452892-54:
(9*1)+(8*4)+(7*5)+(6*2)+(5*8)+(4*9)+(3*2)+(2*5)+(1*4)=184
184 % 10 = 4
So 1452892-54-4 is a valid CAS Registry Number.

1452892-54-4Relevant articles and documents

Intramolecular Crossed [2+2] Photocycloaddition through Visible Light-Induced Energy Transfer

Zhao, Jiannan,Brosmer, Jonathan L.,Tang, Qingxuan,Yang, Zhongyue,Houk,Diaconescu, Paula L.,Kwon, Ohyun

, p. 9807 - 9810 (2017)

Herein, we present the intramolecular [2+2] cycloadditions of dienones promoted through sensitization, using a polypyridyl iridium(III) catalyst, to form bridged cyclobutanes. In contrast to previous examples of straight [2+2] cycloadditions, these efficient crossed additions were achieved under irradiation with visible light. The reactions delivered desired bridged benzobicycloheptanone products with excellent regioselectivity in high yields (up to 96%). This process is superior to previous syntheses of benzobicyclo[3.1.1]heptanones, which are readily converted to B-norbenzomorphan analogues of biological significance. Electrochemical, computational, and spectroscopic studies substantiated the mechanism of triplet energy transfer and explained the unusual regiocontrol.

New synthesis of A-ring aromatic strigolactone analogues and their evaluation as plant hormones in pea (pisum sativum)

Chen, Victor X.,Boyer, Fran?ois-Didier,Rameau, Catherine,Pillot, Jean-Paul,Vors, Jean-Pierre,Beau, Jean-Marie

supporting information, p. 4849 - 4857 (2013/05/22)

A new general access to A-ring aromatic strigolactones, a new class of plant hormones, has been developed. The key transformations include in sequence ring-closing metathesis, enzymatic kinetic resolution and a radical cyclization with atom transfer to install the tricyclic ABC-ring system. The activity as plant hormones for the inhibition of shoot branching in pea of various analogues synthesized by this strategy is reported. Inhibiting shoot branching: A new general access to A-ring aromatic strigolactones (see scheme), a new class of plant hormones, has been developed. The biological activity of various analogues synthesized by this strategy for inhibiting bud outgrowth in pea was evaluated. Copyright

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