JPH0256349B2 - - Google Patents

Info

Publication number
JPH0256349B2
JPH0256349B2 JP57206721A JP20672182A JPH0256349B2 JP H0256349 B2 JPH0256349 B2 JP H0256349B2 JP 57206721 A JP57206721 A JP 57206721A JP 20672182 A JP20672182 A JP 20672182A JP H0256349 B2 JPH0256349 B2 JP H0256349B2
Authority
JP
Japan
Prior art keywords
group
compound
general formula
ethyl acetate
formula
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 - Lifetime
Application number
JP57206721A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5995264A (ja
Inventor
Koichi Hirai
Juji Iwano
Katsumi Fujimoto
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.)
Sankyo Co Ltd
Original Assignee
Sankyo Co Ltd
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 Sankyo Co Ltd filed Critical Sankyo Co Ltd
Priority to JP57206721A priority Critical patent/JPS5995264A/ja
Publication of JPS5995264A publication Critical patent/JPS5995264A/ja
Publication of JPH0256349B2 publication Critical patent/JPH0256349B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
JP57206721A 1982-11-24 1982-11-24 4−置換アゼチジノン誘導体及びその製造法 Granted JPS5995264A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57206721A JPS5995264A (ja) 1982-11-24 1982-11-24 4−置換アゼチジノン誘導体及びその製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57206721A JPS5995264A (ja) 1982-11-24 1982-11-24 4−置換アゼチジノン誘導体及びその製造法

Publications (2)

Publication Number Publication Date
JPS5995264A JPS5995264A (ja) 1984-06-01
JPH0256349B2 true JPH0256349B2 (ko) 1990-11-29

Family

ID=16528002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57206721A Granted JPS5995264A (ja) 1982-11-24 1982-11-24 4−置換アゼチジノン誘導体及びその製造法

Country Status (1)

Country Link
JP (1) JPS5995264A (ko)

Also Published As

Publication number Publication date
JPS5995264A (ja) 1984-06-01

Similar Documents

Publication Publication Date Title
JPH05201969A (ja) タキソール側鎖の不斉合成
JPH0557980B2 (ko)
CA1234099A (en) Process for the production of penems
US4443373A (en) Process for the production of antibiotic penems
JPH06329624A (ja) アゼチジノン誘導体の製造法
US4639335A (en) Stereocontrolled acetoxyazetidinone process
CA1256443A (en) Process for preparing 4-acetoxy-3- hydroxyethylazetidin-2-one derivatives
US4508649A (en) Process for preparing optically active penems
KR940008748B1 (ko) 이환 화합물의 제조 방법
EP0224059B1 (en) Azetidinone derivative and process for preparing the same
US4675396A (en) 7-Oxo-4-thia-1-azabicyclo(3,2,0)heptane derivatives
JPH0256349B2 (ko)
US4767853A (en) Synthesis of 1-(allyloxycarbonyl)-methyl-3-(hydroxyethyl)-4-beta-naphthoxythiocarbonylthio-2-azetidinones and hydroxy protected analogs thereof
JPH0479333B2 (ko)
JPH04368365A (ja) アゼチジノン誘導体の製法
US4885362A (en) Azetidinone intermediates for 1-carba(dethia)caphalosporins
JP2620533B2 (ja) 新規なアミノ酸誘導体
JPH05239020A (ja) 3−[(r)−1−(置換オキシカルボニルオキシ)エチル−4−置換−2−アゼチジノンの製造法
JPS62289558A (ja) β−ラクタム化合物およびその製造方法
JPH0713058B2 (ja) 4―置換アゼチジノン誘導体の製造方法
FI80040C (fi) Foerfarande foer framstaellning av en optiskt aktiv (5r)-2-karbamoyloximetyl-6(s)- /1(r)-hydroxietyl/-2-penem-3-karboxylsyra.
JPS6332351B2 (ko)
JP2781216B2 (ja) 4‐アシルオキシアゼチジノン‐2‐オンの製造法
JPH085853B2 (ja) ラクタム化合物およびその製法
JPS6334147B2 (ko)