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107474-17-9

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107474-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107474-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,4,7 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 107474-17:
(8*1)+(7*0)+(6*7)+(5*4)+(4*7)+(3*4)+(2*1)+(1*7)=119
119 % 10 = 9
So 107474-17-9 is a valid CAS Registry Number.

107474-17-9Relevant articles and documents

A high yield route to rhenium(VII) bis(imido) neopentylidene complexes

Horton,Schrock,Freudenberger

, p. 893 - 894 (2008/10/08)

The reaction between ReO3(OSiMe3) and ArNCO (Ar = 2,6-diisopropylphenyl) yields what is believed to be a mixture of Re2Ox (NAr)7-x complexes, one of which, Re2O2(NAr)5 (1), can be isolated in ~30% yield. Pure 1, or the crude mixture, when treated with 3 equiv of py·HCl (py = pyridine) yields Re(NAr)2(Py)Cl3 (2) in 70-80% isolated yield vs. ReO3(OSiMe3). Addition of 0.65 equiv of Zn(CH2-t-Bu)2 to 2 yields Re(NAr)2(CH2-t-Bu)Cl2 (3) in 75% isolated yield. Dehydrohalogenation of 3 with DBU yields Re(NAr)2(CH-t-Bu)Cl (4) virtually quantitatively, which can be treated with LiOR (OR = OCH(C-F3)2 or O-2,6-C6H3-i-Pr2) to give relatives of the type Re-(NAr)2(CH-t-Bu)(OR) (5). Compounds 4 and 5 are very soluble, presumably monomeric, 18-electron complexes that do not react with cis-2-pentene or norbornene.

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