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327627-55-4

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327627-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 327627-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,7,6,2 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 327627-55:
(8*3)+(7*2)+(6*7)+(5*6)+(4*2)+(3*7)+(2*5)+(1*5)=154
154 % 10 = 4
So 327627-55-4 is a valid CAS Registry Number.

327627-55-4Upstream product

327627-55-4Downstream Products

327627-55-4Relevant articles and documents

The photolysis of Fe(CO)3{P(OPh)3}2 and reaction of the photoproduct with alkynes: Crystal structures of Fe(CO)2{P(OPh)3}2(η2-PhCCPh), Fe(CO)2{P(OPh)3}2{η1:η 1-C(O)C(Me)C[CH(OEt)2]C(O)}

Barrow,Cromhout,Cunningham,Manning,McArdle

, p. 61 - 68 (2000)

UV-irradiation of Fe(CO)3{P(OPh)3}2 (1) afforded an orthometallated iron hydride HFe(CO)2{P(OPh)3}{(PhO)2POC6H 4} (2) which was reacted in situ with alkynes R1C=CR2. Internal alkynes reacted to give either η2-alkyne Fe(CO)2{P(OPh)3}2(η2-R 1CCR2) [3a, R1= R2 = Ph; 3b, R1= Ph, R2 = CH(OEt)2] or maleoyl Fe(CO)2{P(OPh)3}2{η1:η 1-C(O)C(R1)C(R2)C(O)} [4a, R1= Ph, R2 = Me; 4b, R1= R2 = Me; 4c, R2 = Me, R2 = CH(OEt)2; 4d, R1 = Me, R2 = CH2OH; 4e, R1 = R2 = CH2OH] complexes. The terminal alkyne HC=CPh reacted with 2 to give the ferrole derivative Fe2(CO)4{P(OPh)3}2(PhCCH) 2 (5). The crystal structures of 3a, 4c and 5 were determined. Complex 3a is trigonal bipyramidal about the iron atom with trans apical phosphite ligands and an equatorial arrangement of the CO groups and alkyne CC moiety. Complex 4c is octahedral with trans phosphite ligands and cis carbonyl groups. The alkyne ligand has undergone double carbonylation to generate a ferracyclopentenedione (maleoyl) ring that occupies the remaining two coordination sites at the metal centre. Complex 5 is formally a derivative of Fe2(CO)9 in which an Fe(CO)2{P(OPh)3} moiety is π-bonded to a ferracyclopentadiene ring arising from the tail-to-tail coupling of two HC=CPh ligands.

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