公开(公告)号：DE10105799A1

公开(公告)日：2002-08-08

申请号：DE10105799

申请日：2001-02-07

Applicant: BASF AG

Inventor： KLEIN DANIELA ,  ERNST HANSGEORG ,  KOPPENHOEFER JUERGEN

IPC: C07C51/09 ,  C07C67/343 ,  C07C51/353 ,  C07C57/03

Abstract: Cis-6-hexadecenoic acid is prepared by reacting a triphenylphosphonium salt with decanal or other aldehyde in a Wittig reaction, and saponifying the resulting ester. Preparation of cis-6-hexadecenoic acid of formula COOH-(CH2)4-CH=CH-(CH2)8-CH3 involves: (a) reacting either: (i) a triphenylphosphonium salt of formula R1>OOC-(CH2)5-P(R2>)3+>X-> with decanal of formula CH3-(CH2)8-CH=O, or (ii) a triphenylphosphonium salt of formula CH3-(CH2)9-P(R2>)3+>X-> with an aldehyde of formula R1>OOC-(CH2)4-CH=O in a Wittig reaction; and (b) saponifying the resulting ester of formula R1>OOC-(CH2)4-CH=CH-(CH2)8-CH3. R1>1-12C alkyl or aryl; R2>aryl; X->anion equivalent of (in)organic acid.

公开(公告)号：DE19903459A1

公开(公告)日：2000-08-03

申请号：DE19903459

申请日：1999-01-28

Applicant: BASF AG

Inventor： STREICHER HARALD ,  BURST WOLFRAM ,  DAEUWEL JUERGEN ,  KOPPENHOEFER JUERGEN

IPC: C07C29/80 ,  C07C31/22 ,  B01D3/14

Abstract: Production of highly pure phytantriol (I) comprises rectification of (I) in a fine vacuum in columns with ordered metal fabric packing and duct distributors with ≥ 500 dripping points/m at an angle of 90 degrees to the layer of fabric just below them. There are 2 or more, 20-100 mm high packing elements with layers of fabric at 90 degrees to one another. Strictly adiabatic rectification with absolute exclusion of air is used. Production of highly pure phytantriol (I) comprises rectification of (I) contaminated with lower and/or higher boiling by-products in a fine vacuum in columns containing metal fabric packing with ordered structure. The liquid is distributed with duct distributors with ≥ 500 dripping points/m . The ducts are at an angle of 90 degrees to the layer of fabric directly below them in the packing. There are 2 or more packing elements with a height of 20-100 mm and layers of fabric at 90 degrees to one another, below the distributor. The process is operated with absolute exclusion of air. Strictly adiabatic rectification is used.

公开(公告)号：DE50000369D1

公开(公告)日：2002-09-19

申请号：DE50000369

申请日：2000-01-05

Applicant: BASF AG

Inventor： STREICHER DR ,  BURST WOLFRAM ,  DAEUWEL JUERGEN ,  KOPPENHOEFER JUERGEN

IPC: C07C29/80 ,  C07C31/22

Abstract: Production of highly pure phytantriol (I) comprises rectification of (I) in a fine vacuum in columns with ordered metal fabric packing and duct distributors with ≥ 500 dripping points/m at an angle of 90 degrees to the layer of fabric just below them. There are 2 or more, 20-100 mm high packing elements with layers of fabric at 90 degrees to one another. Strictly adiabatic rectification with absolute exclusion of air is used. Production of highly pure phytantriol (I) comprises rectification of (I) contaminated with lower and/or higher boiling by-products in a fine vacuum in columns containing metal fabric packing with ordered structure. The liquid is distributed with duct distributors with ≥ 500 dripping points/m . The ducts are at an angle of 90 degrees to the layer of fabric directly below them in the packing. There are 2 or more packing elements with a height of 20-100 mm and layers of fabric at 90 degrees to one another, below the distributor. The process is operated with absolute exclusion of air. Strictly adiabatic rectification is used.

公开(公告)号：DE10108603A1

公开(公告)日：2002-09-05

申请号：DE10108603

申请日：2001-02-22

Applicant: BASF AG

Inventor： KLEIN DANIELA ,  ERNST HANSGEORG ,  KOPPENHOEFER JUERGEN

IPC: C07C27/02 ,  C07C51/09 ,  C07C67/343 ,  C07C57/03

Abstract: Cis-6-hexadecenoic acid is prepared by reacting a triphenylphosphonium salt with decanal or other aldehyde in a Wittig reaction, and saponifying the resulting ester. Preparation of cis-6-hexadecenoic acid of formula COOH-(CH2)4-CH=CH-(CH2)8-CH3 involves: (a) reacting either: (i) a triphenylphosphonium salt of formula R OOC-(CH2)5-P(R )3 X with decanal of formula CH3-(CH2)8-CH=O, or (ii) a triphenylphosphonium salt of formula CH3-(CH2)9-P(R )3 X with an aldehyde of formula R OOC-(CH2)4-CH=O in a Wittig reaction; and (b) saponifying the resulting ester of formula R OOC-(CH2)4-CH=CH-(CH2)8-CH3. R = 1-12C alkyl or aryl; R = aryl; X = anion equivalent of (in)organic acid.