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问题:怎么就没有此物质的合成方法文献?
类型:求助 (悬赏分:3分)
提问:litemao
等级:
版块:有机化学问题(jimuwei,fpcwin1211,netpanda,yjgzfl,Ftian,)
信誉:39%
回复:5
阅读:981
时间:2005-06-15 15:12:48  编辑    加入/取消收藏    订制/取消短消息    举报该贴    

查找了好多文献资料,就找不到此物质的合成方法:
NH2CSNHNHCSNH2(两个硫脲分子连一起)
那个朋友帮我查查看啊
回复人:wguoyong,▲▲▲▲ (原来做药物化学的,现在从事表面活性剂/洗涤剂研究开发) 时间:2005-06-15 22:33:25   编辑 1楼
Bibliographic Information

Products of the reaction of benzaldehyde thiosemicarbazone with potassium ethylate. Marshalkin, M. F.; Yakhontov, L. N. Vses. Nauchno-Issled. Khim.-Farm. Inst., Moscow, USSR. Zhurnal Organicheskoi Khimii (1982), 18(12), 2577-80. CODEN: ZORKAE ISSN: 0514-7492. Journal written in Russian. CAN 98:125557 AN 1983:125557 CAPLUS

Abstract

Heating PhCH:NNHCSNH2 with EtOK 1 h at 275?gave 28 I, 65 H2NCSNHNHCSNH2, and 23% BzOH; at 240?practically no reaction occurred. Intermediates in the reaction were shown to be PhCH:NN:CHPh and PhCN.
_

Indexing -- Section 25-19 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds)
Section cross-reference(s): 28

100-47-0P, preparation
588-68-1P
Role: FORM (Formation, nonpreparative); PREP (Preparation)
(formation of, as intermediate in reaction of benzaldehyde thiosemicarbazone with potassium ethoxide)

484-47-9P
Role: FORM (Formation, nonpreparative); PREP (Preparation)
(formation of, during reaction of benzaldehyde thiosemicarbazone with potassium ethoxide)

65-85-0P, preparation
142-46-1P
932-90-1P
Role: FORM (Formation, nonpreparative); PREP (Preparation)
(formation of, in reaction of benzaldehyde thiosemicarbazone with potassium ethoxide)

7196-80-7P
Role: SPN (Synthetic preparation); PREP (Preparation)
(prepn. of)

917-58-8
Role: RCT (Reactant); RACT (Reactant or reagent)
(reaction of, with benzaldehyde thiosemicarbazone)

1627-73-2
Role: RCT (Reactant); RACT (Reactant or reagent)
(reaction of, with potassium ethoxide)

Supplementary Terms

benzaldehyde thiosemicarbazone potassium ethoxide; imidazole triphenyl; hydrazinylidenebisthioformamide; thio formamide hydrazinylidenebis


回复人:wguoyong,▲▲▲▲ (原来做药物化学的,现在从事表面活性剂/洗涤剂研究开发) 时间:2005-06-15 22:33:53   编辑 2楼
Bibliographic Information

Preparation of 2-amino-5-mercapto-1,3,4-thiadiazole metal complexes as fungicides. Xu, Yuexing; Fang, Yongjun; Dai, Jingui; Gong, Guirong. (Zhejiang Xinnong Chemical Co., Ltd., Peop. Rep. China). Faming Zhuanli Shenqing Gongkai Shuomingshu (2001), 8 pp. CODEN: CNXXEV CN 1308070 A 20010815 Patent written in Chinese. Application: CN 2000-132119 20001215. CAN 137:288101 AN 2002:801704 CAPLUS

Patent Family Information

Patent No. Kind Date Application No. Date
CN 1308070 A 20010815 CN 2000-132119 20001215

Priority Application
CN 2000-132119 20001215


Abstract

The complexes of 2-amino-5-mercapto-1,3,4-thiadiazole with Zn, Ni, Mn, or Sn, useful as fungicides, are prepd. by treatment of 2-amino-5-mercapto-1,3,4-thiadiazole with metal sulfates in 5-40% aq. NaOH soln. Zinc complex of 2-amino-5-mercapto-1,3,4-thiadiazole showed fungicidal activity at 400 ppm.

Patent Classifications

Main IPC: C07D285-08. Secondary IPC: A01N043-836.

Indexing -- Section 78-7 (Inorganic Chemicals and Reactions)
Section cross-reference(s): 5

3234-62-6P
5784-27-0P
464169-51-5P
464169-52-6P
Role: AGR (Agricultural use); BSU (Biological study, unclassified); SPN (Synthetic preparation); BIOL (Biological study); PREP (Preparation); USES (Uses)
(prepn. of 2-amino-5-mercapto-1,3,4-thiadiazole metal complexes as fungicides)

302-01-2, Hydrazine, reactions
1762-95-4, Ammonium thiocyanate
7488-55-3, Stannous sulfate
7733-02-0, Zinc sulfate
7785-87-7, Manganese sulfate
7786-81-4, Nickel sulfate
Role: RCT (Reactant); RACT (Reactant or reagent)
(prepn. of 2-amino-5-mercapto-1,3,4-thiadiazole metal complexes as fungicides)

142-46-1P, Dithiourea
2349-67-9P, 2-Amino-5-mercapto-1,3,4-thiadiazole
Role: RCT (Reactant); SPN (Synthetic preparation); PREP (Preparation); RACT (Reactant or reagent)
(prepn. of 2-amino-5-mercapto-1,3,4-thiadiazole metal complexes as fungicides)

1310-73-2, Sodium hydroxide, reactions
Role: RGT (Reagent); RACT (Reactant or reagent)
(prepn. of 2-amino-5-mercapto-1,3,4-thiadiazole metal complexes as fungicides)

Supplementary Terms

aminomercaptothiadiazole metal complex prepn fungicide


回复人:orgsyn, (working in the field for 20 years) 时间:2005-06-16 18:58:57   编辑 3楼
~{SCK.:OkB:MArGh;/<XVF18~}


回复人:penance,▲▲▲▲▲ (人生得意须尽欢) 时间:2005-06-17 21:52:50   编辑 4楼
嘿嘿
有CA就是好
顺便问一下
你在哪个单位?


回复人:wguoyong,▲▲▲▲ (原来做药物化学的,现在从事表面活性剂/洗涤剂研究开发) 时间:2005-06-17 22:10:43   编辑 5楼
penance兄,我单位没scifinder!!我也是用别人的!




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