GB1280044A - Preparation of pyridyl chromenols - Google Patents

Preparation of pyridyl chromenols

Info

Publication number
GB1280044A
GB1280044A GB50703/69A GB5070369A GB1280044A GB 1280044 A GB1280044 A GB 1280044A GB 50703/69 A GB50703/69 A GB 50703/69A GB 5070369 A GB5070369 A GB 5070369A GB 1280044 A GB1280044 A GB 1280044A
Authority
GB
United Kingdom
Prior art keywords
pyridyl
alkyl
formula
chromenols
addition
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB50703/69A
Other languages
English (en)
Inventor
Timothy Melton
Richard William Tickle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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 to BE757454D priority Critical patent/BE757454R/xx
Application filed by Beecham Group PLC filed Critical Beecham Group PLC
Priority to GB50703/69A priority patent/GB1280044A/en
Priority to IE1218/70A priority patent/IE34540B1/xx
Priority to ES384217A priority patent/ES384217A1/es
Priority to ZA706821A priority patent/ZA706821B/xx
Priority to NL7014946A priority patent/NL7014946A/xx
Priority to FR7036865A priority patent/FR2070131B2/fr
Priority to AT926270A priority patent/AT298487B/de
Priority to DE19702050496 priority patent/DE2050496A1/de
Priority to CH1522370A priority patent/CH538504A/de
Publication of GB1280044A publication Critical patent/GB1280044A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB50703/69A 1967-04-14 1969-10-15 Preparation of pyridyl chromenols Expired GB1280044A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
BE757454D BE757454R (fr) 1969-10-15 Composes organiques derivant de pyridylbenzopyrannes, composes intermediaires et procedes pour les
GB50703/69A GB1280044A (en) 1969-10-15 1969-10-15 Preparation of pyridyl chromenols
IE1218/70A IE34540B1 (en) 1969-10-15 1970-09-21 Preparation of pyridyl chromenols
ES384217A ES384217A1 (es) 1969-10-15 1970-10-02 Un procedimiento para la preparacion de un compuesto del grupo formado por 7-alquil-(y 7-cicloalquil - alquil infe- rior)-4-(4-piridil)2,2,3-trialquil-5-cromanol.
ZA706821A ZA706821B (en) 1969-10-15 1970-10-07 Preparation of substituted benzopyrans
NL7014946A NL7014946A (enrdf_load_stackoverflow) 1969-10-15 1970-10-12
FR7036865A FR2070131B2 (enrdf_load_stackoverflow) 1969-10-15 1970-10-13
AT926270A AT298487B (de) 1969-10-15 1970-10-14 Verfahren zur Herstellung von substituierten Benzopyranen
DE19702050496 DE2050496A1 (de) 1969-10-15 1970-10-14 Verfahren zur Herstellung von 7 Alkyl und 7 Cycloalkjlalkyl 4 (4 pyridyl) 2,2 dialkyl 2H chromen 5 öl Verbindungen
CH1522370A CH538504A (de) 1967-04-14 1970-10-15 Verfahren zur Herstellung von substituierten Benzopyranen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50703/69A GB1280044A (en) 1969-10-15 1969-10-15 Preparation of pyridyl chromenols

Publications (1)

Publication Number Publication Date
GB1280044A true GB1280044A (en) 1972-07-05

Family

ID=10457014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50703/69A Expired GB1280044A (en) 1967-04-14 1969-10-15 Preparation of pyridyl chromenols

Country Status (9)

Country Link
AT (1) AT298487B (enrdf_load_stackoverflow)
BE (1) BE757454R (enrdf_load_stackoverflow)
DE (1) DE2050496A1 (enrdf_load_stackoverflow)
ES (1) ES384217A1 (enrdf_load_stackoverflow)
FR (1) FR2070131B2 (enrdf_load_stackoverflow)
GB (1) GB1280044A (enrdf_load_stackoverflow)
IE (1) IE34540B1 (enrdf_load_stackoverflow)
NL (1) NL7014946A (enrdf_load_stackoverflow)
ZA (1) ZA706821B (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE713490A (enrdf_load_stackoverflow) * 1967-04-14 1968-10-10

Also Published As

Publication number Publication date
FR2070131B2 (enrdf_load_stackoverflow) 1974-09-20
BE757454R (fr) 1971-04-13
ES384217A1 (es) 1973-01-16
IE34540L (en) 1971-04-15
DE2050496A1 (de) 1971-04-22
ZA706821B (en) 1971-12-29
IE34540B1 (en) 1975-06-11
NL7014946A (enrdf_load_stackoverflow) 1971-04-19
FR2070131A2 (enrdf_load_stackoverflow) 1971-09-10
AT298487B (de) 1972-05-10

Similar Documents

Publication Publication Date Title
GB1279186A (en) 7-methyl,3,5-cyclo-androstanes and their preparation and conversion to other steroids
GB1478865A (en) Manufacture of granular isobutylidenediurea
GB1455369A (en) Azomethine pigments and a process for their manufacture
GB1250505A (enrdf_load_stackoverflow)
GB1203595A (en) New n,n-sulphides and their production
GB1280044A (en) Preparation of pyridyl chromenols
GB1428341A (en) Process for preparing 4,5-diphenyl-oxazol-2-one
GB1387908A (en) Polymerisable anthranilic acid esters
GB1369386A (en) Glycidyl-urethane compounds processes for their manufacture and their use
GB1258460A (enrdf_load_stackoverflow)
ES456923A1 (es) Procedimiento para la obtencion de ftalocianina de cobre.
GB1515614A (en) Preparation of m-benzoylhydratropic acid and an intermediate therefor
GB1241136A (en) New dioxazines and process for their manufacture
GB1200158A (en) A PROCESS FOR THE PRODUCTION OF gamma-CHLOROACETOACETIC ACID ESTERS
GB1310382A (en) Process for the preparation of glucofuranosides
GB1304956A (enrdf_load_stackoverflow)
GB1190228A (en) 5-Chloro-2,3-Pyridine Diol and a Process for its Production
GB1254381A (en) Anilinoalkyl thiocarboxamides, their preparation and herbicidal compositions containing them
GB1210620A (en) Anthranilic acid derivatives and process for production thereof
GB1370958A (en) Process for the production of substituted imidazoles
GB1224845A (en) Process for the production of 2-halo-5-nitrothiazoles
GB1526235A (en) Preparation of pyrimidines
GB1301597A (enrdf_load_stackoverflow)
GB1323442A (en) Manufacture of 2,2,-diphthalimido-1,1,-dianthraquinonyl
GB1471001A (en) Process for producing methacrolein

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee