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Stereochemistry of the decay-induced halogen exchange in diastereomeric alkyl halides in the gas phase

Conference ·
OSTI ID:4407577
; ;

From 7th international hot atom chemistry symposium; Julich, F. R. Germany (10 Sep 1973). The stereochemistry of the halogen for halogen substitution at asymmetric carbon atoms, induced by energetic or thermal bromine and iodine species was studied in diastereomeric alkyl halide molecules such as d,1- and meso-2,3-dichlorobutane. Energetic /sup 80/Br species were generated via the /sup 80m/Br (I.T.)/sup 80/Br nuclear process in reactor produced CF/sub 3/ /sup 80m/Br and allowed to react with the substrate molecules while still possessing excess kinetic energy or after having become thermalized in collisions with argon atoms. /sup 125/I species were produced via the radioactive decay of / sup 125/Xe. The observed results show in unmoderated systems generally a predominance of those products which were formed in the halogen for halogen exchange process under retention of configuration. (auth)

Research Organization:
Virginia Polytechnic Inst. and State Univ., Blacksburg (USA); Kernforschungsanlage Juelich G.m.b.H. (F.R. Germany). Inst. fuer Nuklearchemie
NSA Number:
NSA-29-004927
OSTI ID:
4407577
Report Number(s):
CONF-730961--1
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

*BROMINATED ALIPHATIC HYDROCARBONS-- HOT ATOM CHEMISTRY
*BROMINE 80-- HOT ATOM CHEMISTRY
*CHLORINATED ALIPHATIC HYDROCARBONS-- HOT ATOM CHEMISTRY
*FLUORINATED ALIPHATIC HYDROCARBONS-- HOT ATOM CHEMISTRY
*IODINE 125-- HOT ATOM CHEMISTRY
*ORGANIC BROMINE COMPOUNDS-- HOT ATOM CHEMISTRY
*ORGANIC CHLORINE COMPOUNDS-- HOT ATOM CHEMISTRY
*ORGANIC FLUORINE COMPOUNDS-- HOT ATOM CHEMISTRY
CHEMICAL REACTIONS
CHLORINATED ALIPHATIC HYDROCARBONS
DECAY
FLUORINATED ALIPHATIC HYDROCARBONS
GASES
ISOMERIC TRANSITIONS BROMINATED ALIPHATIC HYDROCARBONS
N40410* --Chemistry--Radiochemistry & Nuclear Chemistry--Hot Atom Chemistry