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α,α-Dimethyl-1-cycloheptene-1-acetic acid is a synthetic organic compound with the chemical formula C11H18O2. It is a derivative of cycloheptene, featuring a seven-membered carbon ring with a double bond and two methyl groups attached to the alpha carbon. The molecule also contains an acetic acid group, which is a carboxyl group (-COOH) attached to a methyl group. α,α-Dimethyl-1-cycloheptene-1-acetic acid is known for its potential applications in the pharmaceutical and chemical industries, particularly as an intermediate in the synthesis of various drugs and other organic compounds. Its unique structure and properties make it a valuable component in the development of new materials and chemical processes.

16642-56-1

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16642-56-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16642-56-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,4 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16642-56:
(7*1)+(6*6)+(5*6)+(4*4)+(3*2)+(2*5)+(1*6)=111
111 % 10 = 1
So 16642-56-1 is a valid CAS Registry Number.

16642-56-1Downstream Products

16642-56-1Relevant academic research and scientific papers

SYNTHETIS OF CYCLIC AND ACYCLIC β,γ-UNSATURATED CARBOXYLIC ACIDS VIA AN E1-TYPE IONIZATION/ELIMINATION OF β-LACTONES

Black, T. Howard,Eisenbeis, Shane A.,McDermott, Todd S.,Maluleka, Stephen L.

, p. 2307 - 2316 (2007/10/02)

Cyclic and acyclic ketones were converted in three steps into 3-alkenoic acids, bearing a variety of substituents in the α-position.The sequence, involving ionization/elimination of a β-lactone, affords high yields of pure products uncontaminated with conjugated isomers.Support for an E1-type mechanism is also provided.

A NOVEL SYNTHESIS OF MONO- AND DISUBSTITUTED (1-CYCLOALKENYL) ACETIC ACID DERIVATIVES VIA IONIZATION/ELIMINATION OF β-LACTONES

Black, T. Howard,Eisenbeis, Shane

, p. 2243 - 2248 (2007/10/02)

Spiro β-lactones undergo an ionization/elimination reaction to afford cycloalkenyl acetic acid derivatives in high yield and isomeric purity.

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