Outline the differences you would predict in the 1 H NMR spectra of MDMA and MDMPA (i.e. predict both spectra at 60mHz and compare / contrast).

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Outline the differences you would predict in the 1 H NMR spectra of MDMA and MDMPA (i.e. predict
both spectra at 60mHz and compare / contrast).

7.
"head life application of spectroscopy
Real
H
Ecstasy, MoMA
Me
be that he assumed the police test must be at
fault.
Edgar was held at Pentonville Prison, still
believing the police tests were in error. His
solicitor finally got in touch with Professor
H
Isomer, MDMPA
Stanley Roberts at Exeter University, former
head of chemical research at Glaxo Group
Research. Roberts tested Edgar's compound
using NMR and proved conclusively that it
was Ecstasy By this time Edgar had been
whelming. Roberts told Chemistry in
Britain, but he was so convinced he hadn't
made Ecstasy it was obvious that some-
thing was wrong. So Roberts went back to
Edgar's starting material. He performed the
same isomerisation process on safrole as
Edgar had done, and analysed the end prod
uct using NMR Jequipment to which Edgar
did not, of course, have access). He found
that isomerisation had taken place after all:
the substance was a mixture of 70 per cent
isosafrole and 30 per cent safrole. Roberts
then tested the mixture according to Fiegel's
spot test, but the test did not indicate that
isosafrole was present. Fiegel's test, he later
discovered, even showed negative for isosaf-
role when pure isosafrole was used.
in forensic Science.
held at Pentonville for a year.
"The evidence against Edgar was over-
"It then became clear what nau g
wrong,' said Roberts. "It was basically a
combination of a lack of sophisticated equip-
ment and an inexperienced person trying to
do sophisticated chemistry. Jim was working
in such an ill-prepared laboratory that the
only tests he could do were things like melt-
ing point, boiling point and density.
Edgar says that he has received no com-
pensation for the time he spent in remand
and the police still have not returned his
equipment nor replied to the numerous let-
ters he has sent them. After 18 months in
Pentonville Prison, however, he said he was
'euphoric to be free at last". Lara Mandell
Outline the differences you would predict in the ¹H NMR spectra of MDMA and MDMPA (i.e. predict
both spectra and compare / contrast).
Transcribed Image Text:7. "head life application of spectroscopy Real H Ecstasy, MoMA Me be that he assumed the police test must be at fault. Edgar was held at Pentonville Prison, still believing the police tests were in error. His solicitor finally got in touch with Professor H Isomer, MDMPA Stanley Roberts at Exeter University, former head of chemical research at Glaxo Group Research. Roberts tested Edgar's compound using NMR and proved conclusively that it was Ecstasy By this time Edgar had been whelming. Roberts told Chemistry in Britain, but he was so convinced he hadn't made Ecstasy it was obvious that some- thing was wrong. So Roberts went back to Edgar's starting material. He performed the same isomerisation process on safrole as Edgar had done, and analysed the end prod uct using NMR Jequipment to which Edgar did not, of course, have access). He found that isomerisation had taken place after all: the substance was a mixture of 70 per cent isosafrole and 30 per cent safrole. Roberts then tested the mixture according to Fiegel's spot test, but the test did not indicate that isosafrole was present. Fiegel's test, he later discovered, even showed negative for isosaf- role when pure isosafrole was used. in forensic Science. held at Pentonville for a year. "The evidence against Edgar was over- "It then became clear what nau g wrong,' said Roberts. "It was basically a combination of a lack of sophisticated equip- ment and an inexperienced person trying to do sophisticated chemistry. Jim was working in such an ill-prepared laboratory that the only tests he could do were things like melt- ing point, boiling point and density. Edgar says that he has received no com- pensation for the time he spent in remand and the police still have not returned his equipment nor replied to the numerous let- ters he has sent them. After 18 months in Pentonville Prison, however, he said he was 'euphoric to be free at last". Lara Mandell Outline the differences you would predict in the ¹H NMR spectra of MDMA and MDMPA (i.e. predict both spectra and compare / contrast).
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