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1334313-61-9

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1334313-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334313-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,3,1 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1334313-61:
(9*1)+(8*3)+(7*3)+(6*4)+(5*3)+(4*1)+(3*3)+(2*6)+(1*1)=119
119 % 10 = 9
So 1334313-61-9 is a valid CAS Registry Number.

1334313-61-9Downstream Products

1334313-61-9Relevant articles and documents

Comparison of the reactivity of platinum(II) and platinum(0) complexes with iminophosphine and phosphinocarbonyl ligands

Vaughan, Teresa F.,Koedyk, David J.,Spencer, John L.

, p. 5170 - 5180 (2011/12/14)

Iminophosphines 2-(PPh2)C6H4C(R)=NR′ (L) (R = H, Me; R′ = 2,6-Me2C6H3 or 2,6-Pri2C6H3) react with Pt(II) precursors to form chelated P,N complexes [PtLX2] (X = Me, Et, Cl), whereas with [Pt(C7H10)3] (C7H 10 = norbornene) and other labile Pt(0) precursors coordination is via phosphorus and chelation is not observed. However, activation of the imine H or the methyl C-H bond of the ketoimine affords P,C metallacyclic hydride complexes [PtH(PPh2C6H4C=NR′)L] and [PtH(PPh2C6H4C(=NR′)CH2)L], respectively. Under more forcing conditions the ketoimine complex undergoes a second metalation reaction, forming cis- and trans-bis-P,C-metallacyclic complexes. By contrast, reaction of the phosphinocarbonyl ligands 2-(PPh 2)C6H4C(R)=O (L′) (R = H, Me) with Pt(II) precursors always affords bis-monodentate complexes [PtL′ 2X2] initially. Where X = Me, methane elimination occurs, forming five- (R = H) or six- (R = Me) membered P,C metallacyclic complexes, [PtMe(PPh2C6H4CO)L′]. On heating, the second phosphinocarbonyl metalates, forming cis- and trans-bis-P,C-metallacyclic complexes. X-ray crystallography of the cis-metalla-β-diketone complex [Pt(PPh2C6H4CO)2] established the closeness of the carbonyl oxygen atoms, which readily capture H+ and other cations, forming stable complexes. These bis-chelate complexes also form readily from the reaction of the phosphinocarbonyls with [Pt(C7H 10)3] via an intermediate norbornyl complex (R = H) or a 5,6-ring bis-chelate (R = Me) in which a hydride is transferred from one ketone to partially reduce the second ketone.

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