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34341-73-6

2,2,6-Trimethyl-2,3,4,5-tetrahydro-pyranylium is a complex organic compound with the molecular formula C9H17O. It is a derivative of the pyranylium ion, which is a cyclic ether structure. 2,2,6-Trimethyl-2,3,4,5-tetrahydro-pyranylium is characterized by the presence of three methyl groups (CH3) attached to the carbon atoms at positions 2, 2, and 6, and a tetrahydro (four hydrogen atoms) structure in the pyrane ring. It is often used as a protecting group in organic synthesis, particularly in the protection of alcohols, due to its stability and ease of removal under acidic conditions. The compound plays a significant role in various chemical reactions and is an important intermediate in the synthesis of more complex organic molecules.

34341-73-6

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34341-73-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34341-73-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,3,4 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34341-73:
(7*3)+(6*4)+(5*3)+(4*4)+(3*1)+(2*7)+(1*3)=96
96 % 10 = 6
So 34341-73-6 is a valid CAS Registry Number.

34341-73-6Downstream Products

34341-73-6Relevant articles and documents

Decarbonylation of Tetrahydrofuran-2-carboxylic Acids and Tetrahydropyrane-2-carboxylic Acids in Concentrated Sulfuric acid: Formation of Oxonium Ions

Bates, Hans Aaron

, p. 2490 - 2493 (1982)

Tetrahydrofuran-2-carboxylic acids 1, 3, and 5 readily decarbonylate in 96percent sulfuric acid, generating stable oxonium ions 2, 4, and 6, respectively.Analogously, tetrahydropyran-2-carboxylic acids 7, 9, 12, and 14a produce oxonium ions 8, 10, 13, and 15, respectively.These oxonium ions are quite stable, with the exception of 10, which partially isomerizes to 11, and 13, which rearranges to ions 17 and 21.Details in the transformation of oxonium ion 15 into lactone 23 by way of open chain acid 22a were elucidated.

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