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2948-55-2

2-Cyclohexen-1-one, 3,4,5,5-tetramethyl- is an organic compound with the chemical formula C10H16O. It is a cyclic ketone, characterized by the presence of a carbonyl group (C=O) attached to a cyclohexene ring. The compound has four methyl groups (CH3) attached to the cyclohexene ring, with two methyl groups at the 3rd and 4th positions, and two methyl groups at the 5th position. This structure contributes to its unique chemical properties and reactivity. 2-Cyclohexen-1-one, 3,4,5,5-tetramethyl- is used in various applications, such as a chemical intermediate in the synthesis of fragrances, pharmaceuticals, and other organic compounds. Its molecular weight is 152.23 g/mol, and it is insoluble in water but soluble in organic solvents. The compound is also known as 3,4,5,5-tetramethyl-2-cyclohexen-1-one or 3,4,5,5-tetramethylcyclohex-2-en-1-one.

2948-55-2

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2948-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2948-55-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,4 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2948-55:
(6*2)+(5*9)+(4*4)+(3*8)+(2*5)+(1*5)=112
112 % 10 = 2
So 2948-55-2 is a valid CAS Registry Number.

2948-55-2Downstream Products

2948-55-2Relevant articles and documents

Reactions of endocyclic linearly conjugated dienolates with Michael acceptors leading to bicyclo[2.2.2] octane derivatives. Application to the synthesis of C13 degradation products of carotenoids

Ito, Nobuhiko,Etoh, Takeaki

, p. 2397 - 2405 (1996)

The endocyclic linearly conjugated dienolates from substituted cyclohex-2-enones react with but-3-en-2-one, substituted methyl propenoates, but-3-yn-2-one and methyl propiolate to afford bicyclo[2.2.2]-oct-2-en-1-ols 10a-c, 14a-c and bicyclo[2.2.2]octa-2,5-dien-1-ols 15a,b. The AlCl3-catalysed reaction of 3,5,5-trimethyl-Htrimethylsiloxy)cyclohexa-l)3-diene 3 with (E)-4-acetoxy- and (E)-4-methoxy-but-3-en-2-one provides trans-8-acetoxy-7-acetyl-3,5,5-trimethyl-1-(trimethylsiloxy)bicyclo[2.2.2]oct-2- enes 22, 23 and trans-7-acetyl-8-methoxy-3,5,5-trimethyl-1-(trimethylsiloxy)bicyclo[2.2.2]oct-2- enes 24, 25. Starting from these bicyclo[2.2.2]octenes, the C13 degradation products of carotenoids including 3-oxo-α-ionone 20, blumenol-C 27 and 1,3,7,7-tetramethyl-2-oxabicyclo[4.4.0]decan-9-one 29 have been synthesized.

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