BE504826A - - Google Patents

Info

Publication number: BE504826A
Authority: BE; Belgium

Application number

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.)

1950-01-31

Publication of BE504826A publication Critical patent/BE504826A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
- C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
- C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Catching Or Destruction (AREA)

BE504826D 1950-01-31 BE504826A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH701111X		1950-01-31
CH289578T		1950-07-25

Publications (1)

Publication Number	Publication Date
BE504826A true BE504826A (fr)

Family

ID=25732896

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE500937D BE500937A (fr)	1950-01-31
BE504826D BE504826A (fr)	1950-01-31

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
BE500937D BE500937A (fr)	1950-01-31

Country Status (9)

Country	Link
US (2)	US2648682A (fr)
BE (2)	BE504826A (fr)
CH (3)	CH283657A (fr)
CY (1)	CY156A (fr)
DE (2)	DE884500C (fr)
FR (2)	FR1028474A (fr)
GB (2)	GB701111A (fr)
LU (1)	LU30424A1 (fr)
NL (4)	NL162854B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL80964C (fr) *	1952-03-08
DE966535C (de) *	1952-06-01	1957-08-22	Schering Ag	Verfahren zur Herstellung von in 3-Stellung substituierten 4-Oxycumarinen
DE947165C (de) *	1952-08-09	1956-08-09	Norddeutsche Affinerie	Verfahren zur Herstellung von in 3-Stellung substituierten 4-Oxycumarinen
US2723277A (en) *	1952-08-26	1955-11-08	Hoffmann La Roche	Malonic acid derivatives and process for the manufacture thereof
US2777859A (en) *	1953-02-05	1957-01-15	Wisconsin Alumni Res Found	Warfarin-alkali metal derivatives and processes of preparing the same
US2743283A (en) *	1954-08-23	1956-04-24	Norddeutsch Affinerie	Novel 3-substituted 4-hydroxycoumarins and their process of preparation
DE1025894B (de) *	1955-02-23	1958-03-13	Geigy Ag J R	Verfahren zur Herstellung von Derivaten des Thiacumarins und deren Salzen
US2765321A (en) *	1955-05-27	1956-10-02	Wisconsin Alumni Res Found	Process of making crystalline warfarin sodium
BE550615A (fr) *	1955-09-01
US2929821A (en) *	1956-04-05	1960-03-22	Upjohn Co	3 amino-4, 7-dihydroxy-8-methyl-coumarin and amide derivatives thereof
BE556754A (fr) *	1956-07-20
FR1206393A (fr) *	1958-08-18	1960-02-09		Nouveaux dérivés de la coumarine et procédés de préparation de ceux-ci
US3002885A (en) *	1959-01-26	1961-10-03	Roberts Dev Corp	Red squill tracking powders
US3264323A (en) *	1963-12-17	1966-08-02	Warner Lambert Pharmaceutical	Coumarin derivative
GB8729557D0 (en)	1987-12-18	1988-02-03	Shell Int Research	Rodenticidal composition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2427578A (en) *	1945-04-02	1947-09-16	Wisconsin Alumni Res Found	3-substituted 4-hydroxycoumarin and process of making it
US2427579A (en) *	1945-04-02	1947-09-16	Wisconsin Alumni Res Found	3, 4-dihydropyranocoumarins and process of making them

0
- BE BE500937D patent/BE500937A/xx unknown
- NL NL80178D patent/NL80178C/xx active
- NL NL7507292.A patent/NL158446B/xx unknown
- LU LU30424D patent/LU30424A1/xx unknown
- NL NL81716D patent/NL81716C/xx active
- NL NL7705272.A patent/NL162854B/xx unknown
- BE BE504826D patent/BE504826A/xx unknown
1950
- 1950-01-31 CH CH283657D patent/CH283657A/de unknown
- 1950-07-25 CH CH289305D patent/CH289305A/de unknown
- 1950-07-25 CH CH289578D patent/CH289578A/de unknown
- 1950-11-26 DE DEG4654A patent/DE884500C/de not_active Expired
- 1950-11-27 FR FR1028474D patent/FR1028474A/fr not_active Expired
- 1950-11-30 GB GB29368/50A patent/GB701111A/en not_active Expired
1951
- 1951-01-03 US US204281A patent/US2648682A/en not_active Expired - Lifetime
- 1951-06-04 US US229871A patent/US2648681A/en not_active Expired - Lifetime
- 1951-06-07 GB GB13487/51A patent/GB703016A/en not_active Expired
- 1951-07-19 DE DEG6581A patent/DE870115C/de not_active Expired
- 1951-07-24 FR FR1040937D patent/FR1040937A/fr not_active Expired
1957
- 1957-02-18 CY CY15657A patent/CY156A/xx unknown

Also Published As

Publication number	Publication date
GB703016A (en)	1954-01-27
US2648681A (en)	1953-08-11
CY156A (en)	1957-02-18
NL80178C (fr)
CH289578A (de)	1953-03-15
GB701111A (en)	1953-12-16
US2648682A (en)	1953-08-11
NL81716C (fr)
FR1040937A (fr)	1953-10-20
DE870115C (de)	1953-03-09
NL162854B (nl)
NL158446B (nl)
CH283657A (de)	1952-06-30
FR1028474A (fr)	1953-05-22
CH289305A (de)	1953-03-15
BE500937A (fr)
LU30424A1 (fr)
DE884500C (de)	1953-07-27

Publication	Publication Date	Title
AT165408B (fr)	1950-02-25
FR955306A (fr)	1950-01-14
FR954572A (fr)	1950-01-03
AT195820B (fr)	1958-02-25
BE494893A (fr)	1950-07-17
NL81716C (fr)
BE541277A (fr)
BE325830A (fr)
BE508027A (fr)
BE506381A (fr)
BE505926A (fr)
BE505711A (fr)
BE504694A (fr)
BE503625A (fr)
BE501906A (fr)
BE501164A (fr)
BE501086A (fr)
BE495522A (fr)	1950-09-01
BE495516A (fr)	1950-09-01
BE495514A (fr)
BE495504A (fr)
BE495485A (fr)	1950-09-01
BE495456A (fr)
BE495443A (fr)
BE495440A (fr)