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1033366-39-0

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1033366-39-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1033366-39-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,3,6 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1033366-39:
(9*1)+(8*0)+(7*3)+(6*3)+(5*3)+(4*6)+(3*6)+(2*3)+(1*9)=120
120 % 10 = 0
So 1033366-39-0 is a valid CAS Registry Number.

1033366-39-0Downstream Products

1033366-39-0Relevant articles and documents

Dramatic base-oriented chemoselective tandem wacker cyclizations: Synthesis of bisbenzannelated spiroketals and 2-substituted chromans

Xin, Zhijun,Zhang, Yuan,Tao, Hua,Xue, Jijun,Li, Ying

, p. 1579 - 1584 (2011/08/06)

A Pd(II)/Cu(II)-catalyzed chemoselective tandem aerobic cyclization of phenolic olefins leads to [5,6]-bisbenzannelated spiroketals or 2-substituted chromans, wherein it was interestingly found that the presence or absence of base could be responsible for the tunable selectivity. The [5,6]- bisbenzannelated spiroketals were achieved from tandem Wacker cyclization-aroxylation in moderate yields in the absence of base, and 2-substituted chromans were formed through base-mediated Pd(II)/Cu(II)-catalyzed tandem Wacker cyclization-Michael addition in good yields. Georg Thieme Verlag Stuttgart ? New York.

Gold-catalyzed double intramolecular alkyne hydroalkoxylation: Synthesis of the bisbenzannelated spiroketal core of rubromycins

Zhang, Yuan,Xue, Jijun,Xin, Zhijun,Xie, Zhixiang,Li, Ying

, p. 940 - 944 (2008/12/22)

The synthesis of the bisbenzannelated spiroketal core of natural bioactive rubromycins via a gold-catalyzed double intramolecular hydroalkoxylation was described. A comparative study on the formation of aliphatic and of aromatic spiroketals was also condu

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