192315-06-3Relevant articles and documents
NOVEL PROCESS FOR THE PREPARATION OF 2H-CHROMENES
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Page/Page column 9, (2010/02/10)
The invention concerns a novel process for the preparation of 2H-chromenes of formula I and formula 5 and valuable intermediates of formulae 3 and 4 of this process.
Diamino pyrimidines
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, (2008/06/13)
Compounds of formula I STR1 wherein either R1 signifies straight-chain C5-10 -alkyl, branched C3-5 -alkyl, C3-6 -cycloalkyl or C3-5 ω-carboxyalkyl and R2 and R3 signify C1-5