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1.
J Environ Manage ; 353: 120238, 2024 Feb 27.
Article in English | MEDLINE | ID: mdl-38335593

ABSTRACT

Noise interference has become a common health risk in population-densified urban areas where social noise occurs frequently. However, the influence of an individual's perception of social noise exposure risk on reactive behavior remains unknown. This study developed an integrative psychosocial perspective-based model that includes constructs from two theoretical frameworks (the Theory of Planned Behavior and the Value-Belief-Norm theory) to analyze noise risk perception and behavioral intention for social noise mitigation. Haidian District, Beijing, was selected as the case study area and 300 questionnaires were distributed. The results showed that personal attributes had significant effects on residents' noise exposure risk perception and noise-mitigation behavioral intentions. Noise perception, as represented by awareness of consequences and ascription of responsibility, was significantly related to noise mitigation behavioral intention. Awareness of consequences directly positively influenced behavioral intention (ß = 0.235, p < 0.001) and indirectly positively influenced behavioral intention through the mediating effect of the ascription of responsibility, which accounted for 24 % of the total effect of awareness of consequences on behavioral intention. This study provides valuable insights into the risks of social noise and encourages adaptive measures to reduce it.


Subject(s)
Intention , Perception , Beijing , Surveys and Questionnaires
2.
Org Lett ; 23(11): 4436-4440, 2021 06 04.
Article in English | MEDLINE | ID: mdl-33988376

ABSTRACT

The diversity-oriented synthesis of 1,2,4-triazols, 1,3,4-thiadiazols, and 1,3,4-selenadiazoles from N-tosylhydrazones was developed, and the reactions were general for a wide range of substrates, in which NH2CN, KOCN, KSCN, and KSeCN were used as odorless sources. Two different pathways were proposed, and N-tosylhydrazonoyl chlorides were formed in situ in the presence of NCS.

3.
Org Lett ; 22(13): 5182-5186, 2020 07 02.
Article in English | MEDLINE | ID: mdl-32538632

ABSTRACT

A facile method for the preparation of 4,5-diaminopyrazoles from N-tosylhydrazones and isocyanides was developed. The reaction was general for a wide range of substrates, and it demonstrated excellent tolerance to a variety of substituents. More importantly, the protective groups of aminos could be selectively removed by controlling the amount of acid. A novel acid-promoted [3 + 1 + 1] cyclization mechanism was proposed.

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