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(Z)-4-(iodophenylmethylene)-10,10-dimethyl-2-tosyl-2-azaspiro[4.6]undec-7-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1404440-52-3

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1404440-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404440-52-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,4,4 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1404440-52:
(9*1)+(8*4)+(7*0)+(6*4)+(5*4)+(4*4)+(3*0)+(2*5)+(1*2)=113
113 % 10 = 3
So 1404440-52-3 is a valid CAS Registry Number.

1404440-52-3Downstream Products

1404440-52-3Relevant academic research and scientific papers

Synthesis of 2-azaspiro[4.6]undec-7-enes from N -tosyl- N -(3-arylpropargyl)-tethered 3-methylcyclohex-2-en-1-ols

Yeh, Ming-Chang P.,Liang, Chia-Jung,Fan, Chern-Wei,Chiu, Wei-Hang,Lo, Jun-Yuan

, p. 9707 - 9717,11 (2012/12/12)

The FeCl3-promoted synthesis of 2-azaspiro[4.6]undec-7-ene rings proceeds via ring expansion/cyclization/chlorination of N-tosyl-N-(3- arylpropargyl)-tethered 6-methylbicyclo[4.1.0]heptan-2-ols. This azaspirocyclic ring skeleton can also be obtained in one pot from the tert-butyldimethylsilyl- protected N-tosyl-N-(3-arylpropargyl)-tethered 3-methylcyclohex-2-en-1-ols and diethylzinc/diiodomethane.

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