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. |
申请公布号 |
ZA8400240(B) |
申请公布日期 |
1984.09.26 |
申请号 |
ZA19840000240 |
申请日期 |
1984.01.12 |
申请人 |
SHELL RES LTD |
发明人 |
SCHOLES GARY;HELDEN ROBERT VAN |
分类号 |
C07D205/04;C07D491/10;C07D491/113 |
主分类号 |
C07D205/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|