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1609556-16-2

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1609556-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609556-16-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,5,5 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1609556-16:
(9*1)+(8*6)+(7*0)+(6*9)+(5*5)+(4*5)+(3*6)+(2*1)+(1*6)=182
182 % 10 = 2
So 1609556-16-2 is a valid CAS Registry Number.

1609556-16-2Downstream Products

1609556-16-2Relevant articles and documents

Enantioselective Alkoxycyclization of 1,6-Enynes with Gold(I)-Cavitands: Total Synthesis of Mafaicheenamine C

Martín-Torres, Inmaculada,Ogalla, Gala,Yang, Jin-Ming,Rinaldi, Antonia,Echavarren, Antonio M.

, p. 9339 - 9344 (2021)

Chiral gold(I)-cavitand complexes have been developed for the enantioselective alkoxycyclization of 1,6-enynes. This enantioselective cyclization has been applied for the first total synthesis of carbazole alkaloid (+)-mafaicheenamine C and its enantiomer, establishing its configuration as R. The cavity effect was also evaluated in the cycloisomerization of dienynes. A combination of experiments and theoretical studies demonstrates that the cavity of the gold(I) complexes forces the enynes to adopt constrained conformations, which results in the high observed regio- and stereoselectivities.

Transition-metal-mediated three-component cascade cyclization: Selective cage B-C(sp2) coupling of carborane with aromatics and synthesis of carborane-fused tricyclics

Quan, Yangjian,Qiu, Zaozao,Xie, Zuowei

supporting information, p. 7599 - 7602 (2014/06/10)

Zirconium/nickel comediated one-pot three-component cascade cyclization of carboryne, alkene, and 2-bromophenyltrimethylsilylacetylene has been achieved, leading to the formation of a series of C,C,B-substituted carborane-fused tricyclics. On the basis of

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