Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-07-18
2006-07-18
Saeed, Kamal A. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07078527
ABSTRACT:
The present invention relates to a process for preparing compounds of the formula (I)where R is H or F, by(a) reacting a compound of the formula (II)where X is halogen, mesylate or tosylate with a thiocyanate,(b) reacting the resultant product with H2S or one of its salts to give a dithiocarbamate, and(c) reacting the dithiocarbamate with acetaldehyde, chloroacetaldehyde or an acetal thereof,and further relates to intermediates used in this process.
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Bayer CropScience AG
Henderson Richard E. L.
Kosack Joseph R.
Saeed Kamal A.
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