13-05864. Menthyl Borate [Archived]

Nomenclature

CAS number: 21105-05-5; 635-20-1 (unspecified stereo)
(1R,1′R,1″R,2S,2′S,2″S,5R,5′R,5″R)-5-Methyl-2-(1-methylethyl)cyclohexanol triester with boric acid (H3BO3); l-menthyl orthoborate.
C30H57BO3; mol wt 476.58.
C 75.61%, H 12.06%, B 2.27%, O 10.07%.
(C10H19)3BO3.

Description and references

Prepn: G. L. O'Connor, H. R. Nace, J. Am. Chem. Soc. 77, 1578 (1955); C. A. Brown, S. Krishnamurthy, J. Org. Chem. 43, 2731 (1978).

Properties

Crystals from 1:1 acetone-ethyl acetate, mp 150-152° (O'Connor); also reported as mp 155-158° (Brown).

Status

This monograph has been retired and is no longer subject to revision or update.