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Aldehydes, Ketones, and their Derivatives
Acetals Rule C-331 ![Rule C-331 Acetals (1) Rule C-331 Acetals (1)](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)
331.1 - Compounds containing the group ![Rule C-331 Acetals (2) Rule C-331 Acetals (2)](https://i0.wp.com/www.acdlabs.com/images/bm5490.gif)
![Rule C-331 Acetals (3) Rule C-331 Acetals (3)](https://i0.wp.com/www.acdlabs.com/images/bm90.gif)
![Rule C-331 Acetals (4) Rule C-331 Acetals (4)](https://i0.wp.com/www.acdlabs.com/images/bm90.gif)
331.2 - A cyclic acetal in which the two acetal-oxygen atoms form part of a ring may be named: (a) as a heterocyclic compound; (b) by use of the prefix "methylenedioxy-"for the groupExamples to Rule C-331.1
![Rule C-331 Acetals (6) Rule C-331 Acetals (6)](https://i0.wp.com/www.acdlabs.com/images/bm5500.gif)
331.3 - The following are examples of trivial names that are retained:Examples to Rule C-331.2
331.4 - Compounds having the general formulae or
are named substitutively as alkoxy (etc.) derivatives of the hydroxycompounds.
See Recommendations'93 R-5.6.4Example to Rule C-331.4
- Next:
- Acetals and Acylals Rule C-332, Rule C-333
![Rule C-331 Acetals (14) Rule C-331 Acetals (14)](https://i0.wp.com/www.acdlabs.com/images/rnd2tc_s.gif)
![Rule C-331 Acetals (15) Rule C-331 Acetals (15)](https://i0.wp.com/www.acdlabs.com/images/rnd2nx_s.gif)
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