Metal sulfide: An efficient promoter for the synthesis of 2-mercaptobenzothiazoles from 2-haloanilines and carbon disulfide. (Downloadable article, 2017) [WorldCat.org]
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Metal sulfide: An efficient promoter for the synthesis of 2-mercaptobenzothiazoles from 2-haloanilines and carbon disulfide.
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Metal sulfide: An efficient promoter for the synthesis of 2-mercaptobenzothiazoles from 2-haloanilines and carbon disulfide.

Author: Tianmiao ZhangWeijing QinNing ZhuLimin HanLiubo WangAll authors
Publisher: Philadelphia, Pa : Taylor & Francis Group, 2017.
Edition/Format:   Downloadable article : Document   Computer File : English
Publication:Synthetic communications
Summary:
ABSTRACT: A convenient method has been developed for the preparation of a variety of 2-mercaptobenzothiazoles from 2-haloanilines and CS2 mediated by metal sulfide. In this reaction, 2-haloanilines reacted with CS2 in the presence of Na2 S · 9H2 O to form 2-mercaptobenzothiazoles. Na2 S · 9H2 O functioned both as an activator of CS2 and as a base. Furthermore, NMR analysis was used to identify the different reaction  Read more...
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Details

Material Type: Document, Internet resource
Document Type: Internet Resource, Article, Computer File
All Authors / Contributors: Tianmiao Zhang; Weijing Qin; Ning Zhu; Limin Han; Liubo Wang; Hailong Hong
ISSN:0039-7911
OCLC Number: 1051832577
Notes: In: Synthetic communications, Vol. 47, no. 20 (2017), p.1916-1925.
Description: 1 online resource

Abstract:

ABSTRACT: A convenient method has been developed for the preparation of a variety of 2-mercaptobenzothiazoles from 2-haloanilines and CS2 mediated by metal sulfide. In this reaction, 2-haloanilines reacted with CS2 in the presence of Na2 S · 9H2 O to form 2-mercaptobenzothiazoles. Na2 S · 9H2 O functioned both as an activator of CS2 and as a base. Furthermore, NMR analysis was used to identify the different reaction mechanisms of 2-haloanilines and CS2 mediated by Na2 S or 1, 8-diazabicyclo[5.4.0]undec-7-ene (DBU), which demonstrated that Na2 S interacted only with CS2, while DBU reacted with both 2-iodoaniline and CS2 . GRAPHICAL ABSTRACT

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