Environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology

Environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology

The invention discloses an environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology which comprises the steps: (1) preparing dibenzothiazyl disulfide MBTS (DM); (2) preparing N-tertiary butyl-2-benzothiazolsulfone amide (TBBS or NS). The environment-friendly N-t...

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CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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description The invention discloses an environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology which comprises the steps: (1) preparing dibenzothiazyl disulfide MBTS (DM); (2) preparing N-tertiary butyl-2-benzothiazolsulfone amide (TBBS or NS). The environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology disclosed by the invention has the advantages that hydrogen peroxide without pollution to the environment is utilized as an oxidizing agent; methylbenzene and water are immiscible and are easy to separate; tert-butylamine in a water phase can be extracted by the methylbenzene, and a tert-butylamine recovery rate is improved; a purity of NS can be as high as 99% or more, and a whole yield can be as high as 97% or more. 本发明是种环保型N-叔丁基-2-苯并噻唑次磺酰胺(NS)合成工艺，包括的步骤有：(1)制备二硫化二苯并噻唑MBTS(DM)；(2)制备N-叔丁基-2-苯并噻唑次磺酰胺(TBBS或NS)。本发明所述的种环保型N-叔丁基-2-苯并噻唑次磺酰胺(NS)合成工艺，优点在于氧化剂采用对环境无污染的双氧水；甲苯与水不互溶，易分离；甲苯可萃取水相中的叔丁胺，提高叔丁胺的回收率；NS纯度高达99％以上，整体收率高达97％以上。
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The environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology disclosed by the invention has the advantages that hydrogen peroxide without pollution to the environment is utilized as an oxidizing agent; methylbenzene and water are immiscible and are easy to separate; tert-butylamine in a water phase can be extracted by the methylbenzene, and a tert-butylamine recovery rate is improved; a purity of NS can be as high as 99% or more, and a whole yield can be as high as 97% or more. 本发明是种环保型N-叔丁基-2-苯并噻唑次磺酰胺(NS)合成工艺，包括的步骤有：(1)制备二硫化二苯并噻唑MBTS(DM)；(2)制备N-叔丁基-2-苯并噻唑次磺酰胺(TBBS或NS)。本发明所述的种环保型N-叔丁基-2-苯并噻唑次磺酰胺(NS)合成工艺，优点在于氧化剂采用对环境无污染的双氧水；甲苯与水不互溶，易分离；甲苯可萃取水相中的叔丁胺，提高叔丁胺的回收率；NS纯度高达99％以上，整体收率高达97％以上。</description><language>chi ; eng</language><subject>CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181102&amp;DB=EPODOC&amp;CC=CN&amp;NR=108727302A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181102&amp;DB=EPODOC&amp;CC=CN&amp;NR=108727302A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG XIUMENG</creatorcontrib><title>Environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology</title><description>The invention discloses an environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology which comprises the steps: (1) preparing dibenzothiazyl disulfide MBTS (DM); (2) preparing N-tertiary butyl-2-benzothiazolsulfone amide (TBBS or NS). 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subjects CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
title Environment-friendly N-tertiary butyl-2-benzothiazolsulfone amide (NS) synthesizing technology
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