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132127-28-7

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132127-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132127-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,2 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132127-28:
(8*1)+(7*3)+(6*2)+(5*1)+(4*2)+(3*7)+(2*2)+(1*8)=87
87 % 10 = 7
So 132127-28-7 is a valid CAS Registry Number.

132127-28-7Relevant articles and documents

EuFOD-catalyzed Hetero-Diels-Alder (HDA) reaction under microwave heating

Panunzio, Mauro,Bandini, Elisa,D'Aurizio, Antonio,Millemaggi, Alessia,Xia, Zhining

, p. 2060 - 2062 (2008/02/12)

An efficient EuFOD-catalyzed hetero-Diels-Alder reaction between azadienes and aldehydes under microwave irradiation is reported. The reaction proceeds under microwave heating with 5 mol% of EuFOD in 45-83% yields. Georg Thieme Verlag Stuttgart.

Lewis acid-catalyzed electrocyclization of 2-aza-1,3-butadienes to NH-β-lactams

Bongini, Alessandro,Panunzio, Mauro,Tamanini, Emiliano,Martelli, Giorgio,Vicennati, Paola,Monari, Magda

, p. 993 - 998 (2007/10/03)

Lewis acid-catalyzed cyclization of 2-aza-3-trimethylsilyloxy-buta-1,3-diene is reported. Stereochemical differences with the uncatalyzed cyclization are discussed.

Reversal of stereochemistry in a two-step Staudinger reaction by changing the backbone protecting group. Synthesis of NH-trans-3-benzoyloxy-4-aryl-azetidinones

Panunzio, Mauro,Bacchi, Sergio,Campana, Eileen,Fiume, Laura,Vicennati, Paola

, p. 8495 - 8498 (2007/10/03)

Changing the protecting group in the glyoxylic acid derived ketene from benzyloxy to benzoyloxy provides a simple way of switching the diastereoselectivity of the substituents on the final β-lactam ring from cis to trans.

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