BR9814717A - "método de preparação de esteróides 16alfa, 17alfa-dialquilados" - Google Patents

"método de preparação de esteróides 16alfa, 17alfa-dialquilados"

Info

Publication number
BR9814717A
BR9814717A BR9814717-0A BR9814717A BR9814717A BR 9814717 A BR9814717 A BR 9814717A BR 9814717 A BR9814717 A BR 9814717A BR 9814717 A BR9814717 A BR 9814717A
Authority
BR
Brazil
Prior art keywords
16alpha
17alpha
dialkylated
steroid preparation
steroids
Prior art date
Application number
BR9814717-0A
Other languages
English (en)
Inventor
Raymond E Conrow
Original Assignee
Alcon Lab 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
Application filed by Alcon Lab Inc filed Critical Alcon Lab Inc
Publication of BR9814717A publication Critical patent/BR9814717A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J51/00—Normal steroids with unmodified cyclopenta(a)hydrophenanthrene skeleton not provided for in groups C07J1/00 - C07J43/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
    • C07J13/005—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 16 (17)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
    • C07J13/007—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 17 (20)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)

Abstract

Patente de Invenção: <B>"MéTODO DE PREPARAçãO DE ESTERóIDES 16ALFA,17ALFA-DIALQUILADOS"<D>. Esteróides 16alfa,17alfa-dialquilados são preparados por reação de um éter de 16-alfa-17(20)-enil-20-silila com um agente de alquilação e um agente de clivagem de éter de enol silila em um solvente adequado.
BR9814717-0A 1997-12-02 1998-11-05 "método de preparação de esteróides 16alfa, 17alfa-dialquilados" BR9814717A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6714897P 1997-12-02 1997-12-02
PCT/US1998/023641 WO1999028336A1 (en) 1997-12-02 1998-11-05 METHOD OF PREPARING 16α,17α-DIALKYLATED STEROIDS

Publications (1)

Publication Number Publication Date
BR9814717A true BR9814717A (pt) 2000-10-03

Family

ID=22074020

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9814717-0A BR9814717A (pt) 1997-12-02 1998-11-05 "método de preparação de esteróides 16alfa, 17alfa-dialquilados"

Country Status (7)

Country Link
EP (1) EP1036088A1 (pt)
JP (1) JP2001525333A (pt)
AR (1) AR017423A1 (pt)
AU (1) AU737219B2 (pt)
BR (1) BR9814717A (pt)
CA (1) CA2299396A1 (pt)
WO (1) WO1999028336A1 (pt)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2078890T3 (es) * 1986-10-09 1996-01-01 Upjohn Co Amino esteroides en c20 a c26.

Also Published As

Publication number Publication date
AU737219B2 (en) 2001-08-09
CA2299396A1 (en) 1999-06-10
JP2001525333A (ja) 2001-12-11
WO1999028336A1 (en) 1999-06-10
EP1036088A1 (en) 2000-09-20
AU1311599A (en) 1999-06-16
AR017423A1 (es) 2001-09-05

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired