发明名称 |
Arylsulphonyl azetidine compounds, their preparation and their use as intermediates |
摘要 |
Azetidine compounds of the general formula I <IMAGE> (I) wherein Ar represents a para-tolyl group and X represents a hydrogen atom, a carboxyl group or a hydroxymethyl group; their preparation from pentaerythritol via compounds of formula <IMAGE> +TR <IMAGE> <IMAGE> or two hydroxyl groups and Z represents Hal or OH, together with their use as intermediates in the preparation of 3-carboxyazetidine; also the compounds of formula <IMAGE> (VI) wherein R1 and R2 both represent hydrogen, or together represent <IMAGE> The compounds are intermediates for a known chemical hybridizing agent.
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申请公布号 |
US4569795(A) |
申请公布日期 |
1986.02.11 |
申请号 |
US19840569419 |
申请日期 |
1984.01.09 |
申请人 |
SHELL OIL COMPANY |
发明人 |
SCHOLES, GARY;VAN HELDEN, ROBERT |
分类号 |
C07D205/04;C07D491/10;C07D491/113;(IPC1-7):C07D205/04;A01N43/44 |
主分类号 |
C07D205/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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