HK1009332A1 - Improved process for the preparation of 3 beta 14 beta-dihydroxyethialnaldehyde - Google Patents
Improved process for the preparation of 3 beta 14 beta-dihydroxyethialnaldehydeInfo
- Publication number
- HK1009332A1 HK1009332A1 HK98109955A HK98109955A HK1009332A1 HK 1009332 A1 HK1009332 A1 HK 1009332A1 HK 98109955 A HK98109955 A HK 98109955A HK 98109955 A HK98109955 A HK 98109955A HK 1009332 A1 HK1009332 A1 HK 1009332A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- beta
- dihydroxyethialnaldehyde
- preparation
- improved process
- alkaline periodate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
- C07J71/0005—Oxygen-containing hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J15/00—Stereochemically pure steroids containing carbon, hydrogen, halogen or oxygen having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J19/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J3/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J3/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom
- C07J3/005—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom the carbon atom being part of a carboxylic function
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
- C07J5/0007—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa
- C07J5/0015—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa not substituted in position 16
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Fats And Perfumes (AREA)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM940330A IT1272995B (it) | 1994-05-26 | 1994-05-26 | Procedimento migliorato per la preparazione della 14b-idrossi-etianaldeide. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1009332A1 true HK1009332A1 (en) | 1999-05-28 |
Family
ID=11402558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98109955A HK1009332A1 (en) | 1994-05-26 | 1998-08-15 | Improved process for the preparation of 3 beta 14 beta-dihydroxyethialnaldehyde |
Country Status (9)
Country | Link |
---|---|
US (1) | US5596110A (da) |
EP (1) | EP0684256B1 (da) |
JP (1) | JPH07316189A (da) |
AT (1) | ATE166059T1 (da) |
DE (1) | DE69502438T2 (da) |
DK (1) | DK0684256T3 (da) |
ES (1) | ES2118523T3 (da) |
HK (1) | HK1009332A1 (da) |
IT (1) | IT1272995B (da) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587739A (en) * | 1978-12-26 | 1980-07-02 | Mitsui Petrochem Ind Ltd | Preparation of aromatic aldehyde or ketone |
-
1994
- 1994-05-26 IT ITRM940330A patent/IT1272995B/it active IP Right Grant
-
1995
- 1995-03-03 AT AT95830069T patent/ATE166059T1/de not_active IP Right Cessation
- 1995-03-03 DK DK95830069T patent/DK0684256T3/da active
- 1995-03-03 ES ES95830069T patent/ES2118523T3/es not_active Expired - Lifetime
- 1995-03-03 EP EP95830069A patent/EP0684256B1/en not_active Expired - Lifetime
- 1995-03-03 DE DE69502438T patent/DE69502438T2/de not_active Expired - Fee Related
- 1995-03-16 US US08/405,354 patent/US5596110A/en not_active Expired - Fee Related
- 1995-05-23 JP JP7123612A patent/JPH07316189A/ja active Pending
-
1998
- 1998-08-15 HK HK98109955A patent/HK1009332A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH07316189A (ja) | 1995-12-05 |
ATE166059T1 (de) | 1998-05-15 |
DK0684256T3 (da) | 1999-01-25 |
US5596110A (en) | 1997-01-21 |
EP0684256A3 (en) | 1996-07-10 |
ITRM940330A0 (it) | 1994-05-26 |
ES2118523T3 (es) | 1998-09-16 |
DE69502438D1 (de) | 1998-06-18 |
EP0684256A2 (en) | 1995-11-29 |
ITRM940330A1 (it) | 1995-11-26 |
EP0684256B1 (en) | 1998-05-13 |
DE69502438T2 (de) | 1998-10-15 |
IT1272995B (it) | 1997-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |