Compounds having the structure
RC(OR')3
(
R'
≠
H),
or the structure
C(OR')4
(
R'
≠
H),
e.g.
HC(OCH3)3
trimethyl orthoformate,
C(OCH3)4
tetramethyl orthocarbonate.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1354