专利信息

1. JPS5746909A	1982/3/17	JP19800122420	1980/9/5
专利标题：Inhibitor for dandruff 专利权人：Sougo Yatsukou Kk; PURPOSE: An inhibitor for dandruff capable of preventing a scurfy disease of the scalp (dandruff disease) and urtication caused by it by administration to the affected part and thoroughly satisfactory with respect to safety stability of pharmaceutical manufacturing smell etc. comprising an antagonist of a histamine H(sub 2) acceptor as an active ingredient.CONSTITUTION: An inhibitor for dandruff e.g. a medicine for hair and/or scalp shampoo hair dressing etc. comprising ordinarily >=0.5wt% prefe...

2. GB2067991A	1981/8/5	GB19810000477	1981/1/8
专利标题：Process for the Preparation of a Furan Derivative 专利权人：GLAXO GROUP LTD; The invention relates to a process for the preparation of ranitidine of formula (I> which comprises reacting a thiol of formula (II> with an alkylating agent of formula (III> where R1 is the group -CH2CH2L, in which L is a leaving group, and R2 is a hydrogen atom, or R1 and R2, together with the nitrogen atom to which they are attached form an ethyleneimino group

3. FR2473044A1	1981/7/10	FR19810000206	1981/1/8
专利标题：PROCEDE DE PREPARATION DE LA N-(2-((5-((DIMETHYLAMINO)-METHYL)-2-FURANNYLMETHYL)-THIO)ETHYL)-N'-METHYL-2-NITRO-1,1-ETHENE-DIAMINE, ET PRODUITS INTERMEDIAIRES DE CETTE PREPARATION 专利权人：GLAXO GROUP LTD [GB]; The invention relates to a process for the preparation of ranitidine of the formula: which is characterised in that a thiol of the formula: is reacted with an alkylating agent of the formula: in which R1 denotes the group -CH2CH2L, where L represents a leaving group, and R2 represents a hydrogen atom or R1 and R2, together with the nitrogen atom to which they are attached, form an ethyleneimino group.

4. SE8100074L	1981/7/9	SE19810000074	1981/1/8
专利标题：Forfarande for framstellning av ett furanderivat 专利权人： The invention relates to a process for the preparation of ranitidine of the formula: which is characterised in that a thiol of the formula: is reacted with an alkylating agent of the formula: in which R1 denotes the group -CH2CH2L where L represents a leaving group and R2 represents a hydrogen atom or R1 and R2 together with the nitrogen atom to which they are attached form an ethyleneimino group.

5. SE8100074A	1981/7/9	SE19810000074	1981/1/8
专利标题：Forfarande for framstellning av ett furanderivat 专利权人：* Glaxo Group Ltd; The invention relates to a process for the preparation of ranitidine of the formula: which is characterised in that a thiol of the formula: is reacted with an alkylating agent of the formula: in which R1 denotes the group -CH2CH2L where L represents a leaving group and R2 represents a hydrogen atom or R1 and R2 together with the nitrogen atom to which they are attached form an ethyleneimino group.

6. BE886997A1	1981/7/8	BE19810203425	1981/1/8
专利标题：Procede de preparation de la ranitidine et produits intermediaires de cette preparation 专利权人：GLAXO GROUP LTD;

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!	专利类型	发明实用新型外观设计
!	公开号			CN1234
!	申请号			CN1234
!	专利标题		扩展	PHARMA
!	专利权人		扩展	pfizer
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!	申请日			yyyymmdd
!	公开日			yyyymmdd
	优先权号
!	摘要		扩展	PHARMA
	IPC			A01B

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