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(E)-1-Phenylmethanesulfonyl-cyclooctene is a chemical compound with the molecular formula C15H18O2S. It is a colorless to pale yellow liquid and is characterized by its distinct (E)-configuration, which refers to the geometric arrangement of the phenylmethanesulfonyl group relative to the cyclooctene ring. (E)-1-Phenylmethanesulfonyl-cyclooctene is often used as a protecting group in organic synthesis, particularly in the protection of alkenes and other functional groups. It is also known for its potential applications in the pharmaceutical industry, where it may be used in the synthesis of various drugs. The compound's stability and reactivity make it a valuable tool in the hands of chemists, allowing for controlled reactions and the synthesis of complex molecules.

84201-26-3

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84201-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84201-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,0 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84201-26:
(7*8)+(6*4)+(5*2)+(4*0)+(3*1)+(2*2)+(1*6)=103
103 % 10 = 3
So 84201-26-3 is a valid CAS Registry Number.

84201-26-3Downstream Products

84201-26-3Relevant academic research and scientific papers

NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 30. RING ENLARGEMENT OF CYCLOALKANONES WITH BENZYLSULFONYLDIAZOMETHANE AND CONVERSION OF THE RESULTING HOMOLOGATED 2-BENZYLSULFONYLCYCLOALKANONES TO 1-BENZYLSULFONYL-1-CYCLOALKENES VIA CHELETROPIC RING CONTRA

Toyama, Sachio,Aoyama, Toyohiko,Shioiri, Takayuki

, p. 3032 - 3035 (2007/10/02)

Benzylsulfonyldiazomethane can be used for the ring enlargement of cycloalkanones (1) with various ring sizes.The resulting homologated 2-benzylsulfonylcycloalkanones (2) are easily converted to 1-benzylsulfonyl-1-cycloalkenes (4) by bromination followed

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