公开(公告)号：JPH1045659A

公开(公告)日：1998-02-17

申请号：JP11733997

申请日：1997-05-08

Applicant: BASF AG

Inventor： TELES JOAYUIM HENRIQUE DR ,  HOFFMANN WERNER DR

IPC: C07C43/303 ,  C07C45/51 ,  C07C45/62 ,  C07C45/74 ,  C07C47/21 ,  C07C49/04 ,  C07C49/203

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing hexahydrofarnesyl acetone, enabling to obtain the compound from inexpensive and safe reaction components in short processes by reacting a specific geraniol compound with an alkoxy compound, heating the reaction product under the release of an alkanol, condensing the product with acetone, and subsequently reducing the condensation product. SOLUTION: This method comprises reacting (B) 6,7-dihydrogeraniol of formula I with (C) (C1 ) a compound of formula II (R is a 1-4C alkyl such as methyl) or (C2 ) a compound of formula III in the presence of (A) an acidic catalyst such as fulfuric acid or p-toluenesulfonic acid at a temperature of 50-120 deg.C, especially 80-110 deg.C, heating the obtained compound of formula IV in the presence of the component A under the release of a compound of the formula: ROH at 120-250 deg.C, especially 125-170 deg.C, condensing the obtained 10,11-dihydro-farnesal of formula V with acetone by a Claisen Schmidt reaction, and subsequehtly catalytically reducing the obtained 13,14-dihydro-3,4-dehydro-farnesyl acetone.

公开(公告)号：DE4411657A1

公开(公告)日：1995-10-05

申请号：DE4411657

申请日：1994-04-02

Applicant: BASF AG

Inventor： KARRER LOTHAR DR ,  EICHHORN HANS-DIETER DR ,  KOEHLER ULRICH DR ,  HOFFMANN WERNER DR ,  WITZEL TOM DR ,  VOIT GUIDO DR ,  JARRETT STUART ROBIN

IPC: C07D215/12 ,  C07D215/14 ,  C07D215/48 ,  C07D215/06 ,  C07D215/16

公开(公告)号：DE4106907A1

公开(公告)日：1992-09-10

申请号：DE4106907

申请日：1991-03-05

Applicant: BASF AG

Inventor： AQUILA WERNER DR ,  SCHOLZ HANS-ULRICH DR ,  FUCHS HARTWIG ,  KRAUSE WOLFGANG DR ,  PAUST JOACHIM DR ,  HOFFMANN WERNER DR

IPC: C07D317/26 ,  B01J23/50 ,  B01J23/72 ,  C07B61/00 ,  C07C41/18 ,  C07C43/178 ,  C07C45/38 ,  C07C47/277 ,  C07C67/313 ,  C07C69/73 ,  C07D319/06

Abstract: Preparation of 3-alkoxycarbonylpropenals and 3-dialkoxymethylpropenals of the general formula Ia and Ib, respectively, … … (R = C1-C3-alkyl; R and R = H, Me or Et; R and R = C1-C4-alkyl, which can be linked to form a 5- or 6-membered ring), by reacting a corresponding alcohol IIa or IIb … … with oxygen or an oxygen-containing gas in the gas phase in the presence of a metal of group IB of the Periodic System or of a compound of one of these metals as catalysts. … The process products are used as intermediates for the synthesis of carotenoids.

公开(公告)号：DE3484021D1

公开(公告)日：1991-02-28

申请号：DE3484021

申请日：1984-03-07

Applicant: BASF AG

Inventor： JANITSCHKE LOTHAR DR ,  HOFFMANN WERNER DR

IPC: A23L2/56 ,  A23L27/20 ,  A23L27/29 ,  C07C45/29 ,  C07C45/42 ,  C07C49/603 ,  C07C49/647 ,  C07C49/713 ,  C07C49/743 ,  C07C69/00 ,  C07C69/145 ,  C07C403/00 ,  C07C403/14 ,  C07C403/16 ,  C11B9/00 ,  C11D3/50 ,  A61K7/46

Abstract: Process for the preparation of the compounds of the formulae Ia and Ib Ia Ib wherein A. 2,4,4-trimethylcyclohex-2-en-1-one oxime of the formula IIb (IIb) is treated with a strong aqueous acid at from 30 DEG to 80 DEG C., preferably from 40 DEG to 70 DEG C., B. the resulting ketone of the formula IIIb (IIIb) is oxidized in a conventional manner, and C. if desired, the resulting compound Ib is isomerized in a conventional manner. Compounds of the formula A (A) where R is one of the following radicals: -CH(OH)-CH2-CH=CH2 (IIIb), -CH(OH)-CH3 (IIIc), -CH2OH (IIId), -CH(OH)-CH=CH2 (IIIe), -CH(OCOCH3)-CH3 (IIIf), -CH2-OCOCH3 (IIIg), -CO-CH2-CH=CH2 (Ib), -CO-CH3 (Ic), and -CO-CH=CH2 (Ie). The compounds IIIb to IIIg, Ib, Ic and Ie are useful scents and aromas, and furthermore may become important intermediates for novel carotenoids. They can be prepared in a relatively simple manner from compounds which are very readily available.

公开(公告)号：DE3482384D1

公开(公告)日：1990-07-05

申请号：DE3482384

申请日：1984-03-07

Applicant: BASF AG

Inventor： JANITSCHKE LOTHAR DR ,  HOFFMANN WERNER DR

IPC: A23L2/56 ,  A23L27/20 ,  A23L27/29 ,  C07C45/29 ,  C07C45/42 ,  C07C49/603 ,  C07C49/647 ,  C07C49/713 ,  C07C49/743 ,  C07C69/00 ,  C07C69/145 ,  C07C403/00 ,  C07C403/14 ,  C07C403/16 ,  C11B9/00 ,  C11D3/50

Abstract: Process for the preparation of the compounds of the formulae Ia and Ib Ia Ib wherein A. 2,4,4-trimethylcyclohex-2-en-1-one oxime of the formula IIb (IIb) is treated with a strong aqueous acid at from 30 DEG to 80 DEG C., preferably from 40 DEG to 70 DEG C., B. the resulting ketone of the formula IIIb (IIIb) is oxidized in a conventional manner, and C. if desired, the resulting compound Ib is isomerized in a conventional manner. Compounds of the formula A (A) where R is one of the following radicals: -CH(OH)-CH2-CH=CH2 (IIIb), -CH(OH)-CH3 (IIIc), -CH2OH (IIId), -CH(OH)-CH=CH2 (IIIe), -CH(OCOCH3)-CH3 (IIIf), -CH2-OCOCH3 (IIIg), -CO-CH2-CH=CH2 (Ib), -CO-CH3 (Ic), and -CO-CH=CH2 (Ie). The compounds IIIb to IIIg, Ib, Ic and Ie are useful scents and aromas, and furthermore may become important intermediates for novel carotenoids. They can be prepared in a relatively simple manner from compounds which are very readily available.

公开(公告)号：DE3560575D1

公开(公告)日：1987-10-15

申请号：DE3560575

申请日：1985-10-25

Applicant: BASF AG

Inventor： DEGNER DIETER DR ,  GRAMLICH WALTER DR ,  HOFFMANN WERNER DR ,  SCHUSTER LUDWIG DR

IPC: A23L27/20 ,  A61K8/00 ,  A61K8/34 ,  A61K8/37 ,  A61Q13/00 ,  C07C41/00 ,  C07C43/196 ,  C07C67/00 ,  C07C69/02 ,  C07C69/14 ,  C07C69/24 ,  C11B9/00 ,  A23L1/226

Abstract: p-Alkoxycyclohexylalkanols and their esters of the general formula I where R1 is C1-C7-alkyl, in particular tert.-butyl, or is cyclohexyl, R2 is C1-C3-alkyl, in particular methyl or ethyl, and R3 is hydrogen, acetyl, propionyl or butyryl, and scent compositions containing these compounds I and processes for their preparation. The novel compounds have fine woody or sandalwood notes and can be used as scents and as components of scent compositions.

公开(公告)号：DE3439203A1

公开(公告)日：1986-04-30

申请号：DE3439203

申请日：1984-10-26

Applicant: BASF AG

Inventor： GRAMLICH WALTER DR ,  HIMMELE WALTER DR ,  HOFFMANN WERNER DR

IPC: C07C33/20 ,  C07C33/30 ,  C07C69/157 ,  C11B9/00 ,  A61K7/46 ,  C07C31/125 ,  C11D9/44

公开(公告)号：DE3262975D1

公开(公告)日：1985-05-15

申请号：DE3262975

申请日：1982-06-30

Applicant: BASF AG

Inventor： DEGNER DIETER DR ,  HOFFMANN WERNER DR ,  THOEMEL FRANK DR

IPC: C07D315/00 ,  C25B3/25 ,  C25B3/04

Abstract: Cyclopentadecanolide of the formula I I is prepared by a process wherein 12-oxocyclopentadecanolide of the formula II is reduced electrochemically.

公开(公告)号：DE3319430A1

公开(公告)日：1984-11-29

申请号：DE3319430

申请日：1983-05-28

Applicant: BASF AG

Inventor： GRAMLICH WALTER DR ,  HOFFMANN WERNER DR ,  HUPFER LEOPOLD DR ,  MERGER FRANZ DR ,  PAETSCH JUERGEN DR

IPC: C07C45/73 ,  C07C45/74 ,  C07C49/04 ,  C07C45/61

公开(公告)号：DE3260932D1

公开(公告)日：1984-11-15

申请号：DE3260932

申请日：1982-04-08

Applicant: BASF AG

Inventor： THOEMEL FRANK DR ,  HOFFMANN WERNER DR

IPC: C07C37/06 ,  C07C37/07 ,  C07C39/08 ,  C07C41/00 ,  C07C41/01 ,  C07C43/205 ,  C07C43/23 ,  C07C67/30 ,  C07C69/84 ,  C07C69/88 ,  C07C69/92 ,  C07C255/53 ,  C11B9/00 ,  C07C121/75 ,  C07C120/00 ,  A61K7/46

Abstract: A process for the preparation of resorcinol derivatives of the general formula I (I) where R1 is carbalkoxy, nitrile, alkyl or H and R2 to R5 are H or lower alkyl, by reacting the corresponding cyclohexane-1,3-dione (II) with oxygen or an oxygen-containing gas in the presence of a catalytic amount of a copper compound and of from 1 to 10 moles of a hydrogen halide, or from 0.5 to 5 moles of thionyl chloride per mole of II, in an alkanol having from 1 to 6 carbon atoms, tetrahydrofuran or methyl tert.-butyl ether as the solvent, at from 0 DEG to 150 C., without the addition of a significant amount of water to the reaction mixture. Some of the resorcinol derivatives prepared are useful scents with fragrance notes of the character of the odoriferous substance of natural oak moss.