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Dive into the research topics where Chacko Thankachan is active.

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Featured researches published by Chacko Thankachan.


Journal of The Chemical Society, Chemical Communications | 1974

Tri-isopropylmethyl: an aliphatic hydrocarbon radical of remarkable stability

D. Griller; Siddick Icli; Chacko Thankachan; Thomas T. Tidwell

Tri-isopropylmethyl is one of the most stable aliphatic hydrocarbnon radicals known, and displays an e.s.r. spectrum indicative of an sp2 hybridization with the three β-hydrogens symmetrically aligned in the plane orthogonal to the p-orbital containing the unpaired electron.


Journal of the American Chemical Society | 1979

Cyclization by radical displacement on ester groups. Conversion of acetals to lactones by radical abstraction with stereoelectronic control of bond scission

Carolyn M. Rynard; Chacko Thankachan; Thomas T. Tidwell


Journal of Organic Chemistry | 1981

Kinetic study of the reversible formation of cyclic hemiacetals from 2-(hydroxymethyl)benzaldehyde and 2-(.beta.-hydroxyethyl)benzaldehyde

John Harron; Robert A. McClelland; Chacko Thankachan; Thomas T. Tidwell


Journal of Organic Chemistry | 1974

Steric acceleration of perester decomposition leading to tertiary alkyl radicals

J. A. Ernst; Chacko Thankachan; Thomas T. Tidwell


Angewandte Chemie | 1977

Steric Enhancement of Chemical Reactivity. The Molecular Structure of Tris(tert‐butyl)methyl p‐Nitrobenzoate

Pei-Tak Cheng; Stanley C. Nyburg; Chacko Thankachan; Thomas T. Tidwell


Canadian Journal of Chemistry | 1977

Photochemistry of oxalate esters as a route to free radicals. Decay routes of crowded free radicals

Siddik Icli; Vincent J. Nowlan; Parviz M. Rahimi; Chacko Thankachan; Thomas T. Tidwell


Canadian Journal of Chemistry | 1975

Steric Crowding and the Reactivity of Substituted tert-Butyl Perbenzoates,

Siddick Icli; Kandil S. A. Kandil; Chacko Thankachan; Thomas T. Tidwell


Angewandte Chemie | 1977

Sterische Verstärkung der chemischen Reaktivität – Molekülstruktur von Tris(tert‐butyl)methyl‐p‐nitrobenzoat

Pei-Tak Cheng; Stanley C. Nyburg; Chacko Thankachan; Thomas T. Tidwell


ChemInform | 1981

KINETIC STUDY OF THE REVERSIBLE FORMATION OF CYCLIC HEMIACETALS FROM 2-(HYDROXYMETHYL)BENZALDEHYDE AND 2-(β-HYDROXYETHYL)BENZALDEHYDE

J. Harron; Robert A. McClelland; Chacko Thankachan; Thomas T. Tidwell


ChemInform | 1977

STERIC REINFORCEMENT OF CHEMICAL REACTIVITY - MOLECULAR STRUCTURE OF TRIS(TERT-BUTYL)METHYL-P-NITROBENZOATE

P.-T. Chen; Stanley C. Nyburg; Chacko Thankachan; Thomas T. Tidwell

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D. Griller

National Research Council

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