IT1200512B - Purificazione di tetraidrobibenzo(b,d) pirani da miscele sintetiche grezze - Google Patents

Purificazione di tetraidrobibenzo(b,d) pirani da miscele sintetiche grezze

Info

Publication number
IT1200512B
IT1200512B IT49707/82A IT4970782A IT1200512B IT 1200512 B IT1200512 B IT 1200512B IT 49707/82 A IT49707/82 A IT 49707/82A IT 4970782 A IT4970782 A IT 4970782A IT 1200512 B IT1200512 B IT 1200512B
Authority
IT
Italy
Prior art keywords
tetraidrobibenzo
pirani
purification
synthetic mixtures
raw synthetic
Prior art date
Application number
IT49707/82A
Other languages
English (en)
Other versions
IT8249707A0 (it
Inventor
Robert E Olsen
Stephen J Backlund
Original Assignee
Anpojet General Corp
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 Anpojet General Corp filed Critical Anpojet General Corp
Publication of IT8249707A0 publication Critical patent/IT8249707A0/it
Application granted granted Critical
Publication of IT1200512B publication Critical patent/IT1200512B/it

Links

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
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT49707/82A 1981-12-21 1982-12-20 Purificazione di tetraidrobibenzo(b,d) pirani da miscele sintetiche grezze IT1200512B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/332,644 US4381399A (en) 1981-12-21 1981-12-21 Purification of tetrahydrodibenzo[b,d]pyrans from crude synthetic mixtures

Publications (2)

Publication Number Publication Date
IT8249707A0 IT8249707A0 (it) 1982-12-20
IT1200512B true IT1200512B (it) 1989-01-18

Family

ID=23299180

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49707/82A IT1200512B (it) 1981-12-21 1982-12-20 Purificazione di tetraidrobibenzo(b,d) pirani da miscele sintetiche grezze

Country Status (11)

Country Link
US (1) US4381399A (it)
EP (1) EP0098291A4 (it)
JP (1) JPS58502149A (it)
AR (1) AR230443A1 (it)
AU (1) AU1153983A (it)
DK (1) DK379683D0 (it)
ES (1) ES518361A0 (it)
IE (1) IE54285B1 (it)
IT (1) IT1200512B (it)
WO (1) WO1983002275A1 (it)
ZA (1) ZA828462B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2925753B2 (ja) * 1990-02-23 1999-07-28 ダイセル化学工業株式会社 光学異性体の分離方法
US5342971A (en) * 1992-12-29 1994-08-30 The Australian National University Process for the preparation of dibenzo[b,d]pyrans
AU2003287585B2 (en) * 2002-11-12 2009-05-07 Mallinckrodt Inc. Cannabinoid crystalline derivatives and process of cannabinoid purification
EP1613578A2 (en) * 2003-04-10 2006-01-11 Mallinckrodt Inc. Olivetol-cyclodextrin complexes and regio-selective process for preparing delta 9-tetrahydrocannabinol
CN1997636B (zh) * 2004-07-19 2011-09-28 希莱格有限公司 获得纯四氢大麻酚的方法
US20060051824A1 (en) * 2004-09-03 2006-03-09 Haoyun An Tetrahydrocannabinoid antigens and method of use
US7323576B2 (en) * 2004-10-01 2008-01-29 Alphora Research Inc. Synthetic route to dronabinol
TWI369203B (en) 2004-11-22 2012-08-01 Euro Celtique Sa Methods for purifying trans-(-)-△9-tetrahydrocannabinol and trans-(+)-△9-tetrahydrocannabinol
TWI366460B (en) * 2005-06-16 2012-06-21 Euro Celtique Sa Cannabinoid active pharmaceutical ingredient for improved dosage forms
AU2006297300B2 (en) * 2005-09-29 2012-05-10 Albany Molecular Research, Inc. Process for production of delta-9-tetrahydrocannabinol
WO2020089424A1 (en) 2018-10-31 2020-05-07 Enantia, S.L. Solid compositions of cocrystals of cannabinoids

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH481911A (de) * 1967-05-19 1969-11-30 Theodor Dr Petrzilka Verfahren zur Herstellung von tricyclischen Verbindungen
US3920705A (en) * 1967-05-19 1975-11-18 Theodore Petrzilka 6a,10a-trans-6a,10,10a-tetrahydrodibenzo(b,d)-pyrans
US3833616A (en) * 1968-09-16 1974-09-03 T Petrzilka 6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo(b,d)-pyrans
US3668224A (en) * 1970-07-02 1972-06-06 Theodor Petrzilka PROCESS OF PRODUCING 6a, 10a-TRANS-6a,7,8,10a-TETRAHYDRODIBENZO (b,d)-PYRANS
US4116979A (en) * 1975-06-23 1978-09-26 Sheehan Institute For Research, Inc. Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo[b,d]-pyrans
US4025516A (en) * 1975-06-23 1977-05-24 The John C. Sheehan Institute For Research, Inc. Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo[b,d]-pyrans
US4036857A (en) * 1976-02-02 1977-07-19 Sharps Associates Benzopyrans having an unsaturated side chain

Also Published As

Publication number Publication date
EP0098291A4 (en) 1984-05-29
ZA828462B (en) 1983-09-28
JPS58502149A (ja) 1983-12-15
IT8249707A0 (it) 1982-12-20
DK379683A (da) 1983-08-19
ES8504165A1 (es) 1984-08-01
WO1983002275A1 (en) 1983-07-07
IE54285B1 (en) 1989-08-16
US4381399A (en) 1983-04-26
DK379683D0 (da) 1983-08-19
AR230443A1 (es) 1984-04-30
ES518361A0 (es) 1984-08-01
AU1153983A (en) 1983-07-15
IE823008L (en) 1983-06-21
EP0098291A1 (en) 1984-01-18

Similar Documents

Publication Publication Date Title
DE68911239D1 (de) Reinigungsverfahren von rohem Glycerol.
DE69105887D1 (de) Reinigungsverfahren für Bisphenol-A.
DE3280469D1 (de) Ultrareinigung des Faktors VIII.
DE3872046D1 (de) Gastrennverfahren.
FI83882C (fi) Foerfarande foer framstaellning av blodlevring haemmande proteiner.
DE3586548D1 (de) Steuersystem des erzeugungsprozesses.
DE69109041D1 (de) Quecksilberabtrennungsverfahren.
FI904734A0 (fi) Anordning foer maetning av tryckdifferens.
FI895380A0 (fi) Menetelmä (6R,S)-folinaattien erottamiseksi
BR8202291A (pt) Conjunto de ascensor de producao
DE3679078D1 (de) Photomaskenherstellungsverfahren.
IT1200512B (it) Purificazione di tetraidrobibenzo(b,d) pirani da miscele sintetiche grezze
IT8467541A1 (it) Procedimento per la produzione di fenilalanina.
IT1153139B (it) Disposizione di interruttori per motociclette
ES2019127B3 (es) Proceso de purificacion destilativa de tetrahidrofurano
IT1207981B (it) Produzione di composti azoici.
IT8522977A0 (it) Purificiazione di l-fenilalanina.
IT8320359A0 (it) Procedimento migliorato per la purificazione della tilosina.
FI74028B (fi) Process foer tillverkning av aromatiska polyestrar.
IT1122111B (it) Procedimento per la purificazione di resorcina grezza
IT8219467A0 (it) Separazione di benzene da cicloesano.
IT7920612A0 (it) Procedimento di purificazione di caprolattame.
ES2023930B3 (es) Sintesis de ditioles.
IT8619360A0 (it) Purificazione del diossano.
IT8123078A0 (it) Processo per la purificazione della nitrocellulosa.