FI960490A - Process for preparing saccharin derivatives - Google Patents

Process for preparing saccharin derivatives Download PDF

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Publication number
FI960490A
FI960490A FI960490A FI960490A FI960490A FI 960490 A FI960490 A FI 960490A FI 960490 A FI960490 A FI 960490A FI 960490 A FI960490 A FI 960490A FI 960490 A FI960490 A FI 960490A
Authority
FI
Finland
Prior art keywords
formula
image
preparing
saccharin derivatives
relates
Prior art date
Application number
FI960490A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI103115B (en
FI103115B1 (en
FI960490A0 (en
Inventor
Richard Paul Dunlap
Neil Warren Boaz
Albert Joseph Mura
Virendra Kumar
Chakrapani Subramanyam
Ranjit Chimanlal Desai
Dennis John Hlasta
Manohar Tukram Saindane
Malcolm Rice Bell
John Joseph Court
Original Assignee
Sterling Winthrop Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI944968A external-priority patent/FI944968A/en
Application filed by Sterling Winthrop Inc filed Critical Sterling Winthrop Inc
Priority to FI960490A priority Critical patent/FI103115B1/en
Publication of FI960490A0 publication Critical patent/FI960490A0/en
Publication of FI960490A publication Critical patent/FI960490A/en
Application granted granted Critical
Publication of FI103115B publication Critical patent/FI103115B/en
Publication of FI103115B1 publication Critical patent/FI103115B1/en

Links

Abstract

The invention relates to a process for preparing 2 chloromethylsaccharin derivatives of the formula <IMAGE> by reacting a saccharin derivative of the formula <IMAGE> with chlorosilane and formaldehyde in the presence of a Lewis acid. The invention also relates to a process for preparing compounds of the formula <IMAGE> starting from compounds of the formula <IMAGE> The designations of the various symbols R4c, R5b and R8 have been specified in the patent claims.
FI960490A 1990-11-01 1996-02-02 Process for preparing 2-chloromethylsaccharin FI103115B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI960490A FI103115B1 (en) 1990-11-01 1996-02-02 Process for preparing 2-chloromethylsaccharin

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US60806890A 1990-11-01 1990-11-01
US60806890 1990-11-01
FI944968 1994-10-21
FI944968A FI944968A (en) 1990-11-01 1994-10-21 Method for preparing saccharin derivatives
FI960490 1996-02-02
FI960490A FI103115B1 (en) 1990-11-01 1996-02-02 Process for preparing 2-chloromethylsaccharin

Publications (4)

Publication Number Publication Date
FI960490A0 FI960490A0 (en) 1996-02-02
FI960490A true FI960490A (en) 1996-02-02
FI103115B FI103115B (en) 1999-04-30
FI103115B1 FI103115B1 (en) 1999-04-30

Family

ID=26159825

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960490A FI103115B1 (en) 1990-11-01 1996-02-02 Process for preparing 2-chloromethylsaccharin

Country Status (1)

Country Link
FI (1) FI103115B1 (en)

Also Published As

Publication number Publication date
FI103115B (en) 1999-04-30
FI103115B1 (en) 1999-04-30
FI960490A0 (en) 1996-02-02

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