Denison-Hackh structure symbols: A forgotten episode in the teaching of organic chemistry

Jensen, William B.

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https://hdl.handle.net/2142/127798 Copy

Description

Title

Denison-Hackh structure symbols: A forgotten episode in the teaching of organic chemistry

Author(s)

Jensen, William B.

Issue Date

2011-03-15

Keyword(s)

• History
• Chemistry
• Org chem structure symbolism history formula

Abstract

A brief historical retrospect on the forgotten org. structure symbolism proposed by Mr. Ingo W.D. Hackh and Dr. Henry S. Denison is presented. Hackh got the basic idea from a suggestion published by Denison in The Denver Medical Times. Hackh continued to refine and apply the symbols. Hackh proposed replacing the conventional structural formulas of org. chem. with pure topol. bonding or framework formulas in which the conventional letter symbols of Berzelius for H, O, N and C were eliminated and replaced instead by bond nodes corresponding to their common valence connectivities of one, two, three and four, resp.

Publisher

Division of the History of Chemistry

ISSN

1053-4385

Type of Resource

text

Genre of Resource

article

Language

eng

Permalink

https://hdl.handle.net/2142/127798

DOI

https://doi.org/10.70359/bhc2011v036p043

Copyright and License Information

Copyright 2011 Division of the History of Chemistry

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