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12213-09-1

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12213-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 12213-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12213-09:
(7*1)+(6*2)+(5*2)+(4*1)+(3*3)+(2*0)+(1*9)=51
51 % 10 = 1
So 12213-09-1 is a valid CAS Registry Number.

12213-09-1Relevant articles and documents

Synthesis, reactivity, and crystal structure of CpV(CO)3tht (tht = tetrahydrothiophene). A mild-condition synthetic pathway to substitution derivatives of CpV(CO)4 and preparation and X-ray characterization of cis-CpV(CO)2bpy (bpy = 2,2′-bipyridine)

Gambarotta, Sandro,Chiesi-Villa, Angiola,Guastini, Carlo

, p. 99 - 102 (2008/10/08)

Irradiation of CpV(CO)4 in the presence of tht (tht = tetrahydrothiophene) affords the complex CpV(CO)3tht (1), in which one carbonyl group has been replaced by the thioether ligand. 1 reacts readily with several ligands including 2,2′-bipyridine (bpy) and pyrrolidine (pyrr), providing a mild-condition pathway to the new derivatives cis-CpV(CO)2bpy (2) and CpV(CO)3pyrr (3). The structures of 1 and 2 have been determined by X-ray analysis. Both complexes are orthorhombic: 1 has a Pbca space group with a = 14.171 (4) ?, b = 14.184 (5) ?, c = 13.035 (4) ?, V = 2620 (1) ?3, Z = 8, and Dcalcd = 1.461 g cm-3, and the final R factor for 1937 reflections was 0.054; 2 has a Pnma space group with a = 7.687 (4) ?, b = 15.073 (6) ?, c = 12.593 (5) ?, V = 1459 (1) ?3, Z = 4, and Dcalcd = 1.494 g cm-3, and the final R value for 1423 reflections was 0.035. The structure of 3 has been assigned on the basis of its 13C and 1H NMR, IR, and analytical data.

Comparitive Reactivities of Two Isoelectronic Transition-Metal Hydrides with Transition-Metal Carbonyls and Alkyls

Jones, William D.,Huggins, John M.,Bergman, Robert G.

, p. 4415 - 4423 (2007/10/02)

The two isoelectronic hydrides PPN+CpV(CO)3H- (1) and -CpMo(CO)3H (2) react with a variety of metal carbonyls and alkyls.Treatment of Fe(CO)5, Cr(CO)6, (CH3C5H4)V(CO)4, CH3Re(CO)5, and (CH3CO)Re(CO)5 with 1 produces HFe(CO)4-, HCr(CO)5-, (CH3C5H4)V(CO)3H-,(H)(CH3)Re(CO)4-, and (H)(CH3CO)Re(CO)4-, respectively, and CpV(CO)4 (3). 1 also catalyzes ligand substitution reactions in 3 and CpFe(CO)(PPh3)(COCH3).In comparison 2 reacts only with CH3Mn(CO)5 and CpMo(CO)3R (R=CH3, C2H5, CH2C6H5) producing aldehydes and the dimers 2 (4a) and 2 (5a).Reaction of 2 with ethylene produces ethane and diethyl ketone. 1 is proposed to react by an electron-transfer mechanism, whereas 2 is proposed to react by hydrogen transfer to a vacant coordination site.The relationship of the molybdenum hydride/alkyl reaction to the final step in hydroformylation (oxo process) is discussed.

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