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公开(公告)号:CH613928A5
公开(公告)日:1979-10-31
申请号:CH1204775
申请日:1975-09-17
Applicant: BASF AG
Inventor: HOFFMANN WERNER DR , ARNOLD LOTHAR DR , BAUMANN MANFRED DR
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公开(公告)号:CH602552A5
公开(公告)日:1978-07-31
申请号:CH984576
申请日:1976-08-02
Applicant: BASF AG
Inventor: HOFFMANN WERNER DR , BAUMANN MANFRED DR
IPC: C07C69/52 , C07C69/587
Abstract: A process for the manufacture of alpha , beta , gamma , delta -unsaturated esters containing a very high proportion of the 4(Z)-isomer, which are valuable perfume and flavor materials. The alpha , beta , gamma , delta -unsaturated esters are manufactured by a Wittig synthesis from phosphoranes and fumaraldehyde-acid esters under specific conditions.
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公开(公告)号:DE2233799A1
公开(公告)日:1974-01-24
申请号:DE2233799
申请日:1972-07-10
Applicant: BASF AG
Inventor: POHLEMANN HEINZ DR , HOFFMANN WERNER DR , MAARMANN HERBERT DR
IPC: C08F8/00 , C08F8/12 , C08F255/02 , C08G67/02 , C08F27/00
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公开(公告)号:DE2155285A1
公开(公告)日:1973-05-10
申请号:DE2155285
申请日:1971-11-06
Applicant: BASF AG
Inventor: MUELLER ERNST DR , HOFFMANN WERNER DR
Abstract: The cpds having flowery scent have the formula (I) (in which R1 and R4 are CH3 or C2H5; R2 and R3 are H or CH3; R5 is a 1-6C alkyl; n = 1 or 2). These cpds are produced by reacting unsatd ketones of formula (II) with M-R5 (in which M is an alkali metal or a Mg halide radical).
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35.
公开(公告)号:DE2152193A1
公开(公告)日:1973-04-26
申请号:DE2152193
申请日:1971-10-20
Applicant: BASF AG
Inventor: HOFFMANN WERNER DR , MUELLER ERNST DR
Abstract: Cpds. of formulae (I) and (II): (where R1-R5 are H or aliphatic or aromatic gps.; Y is halogen; R6 and R7 are H or aliphatic or aromatic gps.; or NR6R7 is a heterocyclic ring; X is an equiv. of an anion) are prepd. by reacting a cpd. (III): with an acid halide of H3PO3, H3PO4, H2CO3, (COOH)2, H2SO3 or H2SO4 and R6R7NCHO to give (II), which can then be saponified to (I) in known manner. (I) and (II) are inters. for pharmaceuticals, dyes (esp. polymethines useful as photographic optical sensitisers), pesticides and perfumes.
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公开(公告)号:CH533588A
公开(公告)日:1973-02-15
申请号:CH407170
申请日:1970-03-18
Applicant: BASF AG
Inventor: HOFFMANN WERNER DR
IPC: C07C45/68 , C07C49/20 , C07C49/203 , C07C49/217 , C07C49/24 , C07C49/258 , C07C49/798 , C07C403/00 , C07C47/20
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公开(公告)号:CH512412A
公开(公告)日:1971-09-15
申请号:CH1687970
申请日:1968-08-21
Applicant: BASF AG
Inventor: PASEDACH HEINRICH DR , HOFFMANN WERNER DR , POMMER HORST DR
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公开(公告)号:CH507891A
公开(公告)日:1971-05-31
申请号:CH1216068
申请日:1968-08-13
Applicant: BASF AG
Inventor: PASEDACH HEINRICH DR , HOFFMANN WERNER DR , POMMER HORST DR
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公开(公告)号:CH505770A
公开(公告)日:1971-04-15
申请号:CH1843368
申请日:1968-12-10
Applicant: BASF AG
Inventor: PASEDACH HEINRICH DR , HOFFMANN WERNER DR , HIMMELE WALTER DR
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公开(公告)号:CH503104A
公开(公告)日:1971-02-15
申请号:CH1100868
申请日:1968-07-23
Applicant: BASF AG
Inventor: PASEDACH HEINRICH DR , FREYSCHLAG HERWIG DR , HOFFMANN WERNER DR , POMMER HORST DR
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