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2-Propynal, 3-(1-naphthalenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16176-23-1

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16176-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16176-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,7 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16176-23:
(7*1)+(6*6)+(5*1)+(4*7)+(3*6)+(2*2)+(1*3)=101
101 % 10 = 1
So 16176-23-1 is a valid CAS Registry Number.

16176-23-1Downstream Products

16176-23-1Relevant academic research and scientific papers

Synthesis of benzo[g]isochromenes through Photo-Dehydro-Diels-Alder reaction

Wessig, Pablo,Mueller, Gunnar,Herre, Robert,Kuehn, Andreas

, p. 2694 - 2719 (2007/10/03)

The Photo-Dehydro-Diels-Alder (PDDA) reaction is shown to be a versatile method for the preparation of highly functionalized naphthalenes. Thus, ketones 1 could be cyclized to the 1H-benzo[g]isochromen-4-(3H)-ones 11 and 12, mostly in good yields. The influence of various substituents on the regioselectivity of the reaction was investigated, and the mechanism is discussed based on theoretical calculations.

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