27-0610
Gum rosin
CP
Synonym(s):
Colophony, Rosin, gum
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About This Item
grade
CP
form
solid
availability
available only in Japan
SMILES string
OC(=O)[C@]1([C@H]2[C@@]([C@H]3CCC(=CC3=CC2)C(C)C)(CCC1)C)C
InChI
1S/C20H30O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h7,12-13,16-17H,5-6,8-11H2,1-4H3,(H,21,22)/t16-,17+,19+,20+/m0/s1
InChI key
RSWGJHLUYNHPMX-ONCXSQPRSA-N
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Allergic contact dermatitis to colophonium in a sanitary pad-an overlooked allergen?
Lareina Wujanto et al.
Contact dermatitis, 66(3), 161-162 (2012-02-11)
Marléne Isaksson et al.
Contact dermatitis, 65(1), 34-37 (2011-05-21)
Contact allergy to phenol-formaldehyde resins (PFRs) based on phenol and formaldehyde is not detected by a p-tertiary-butylphenol-formaldehyde resin (PTBP-FR) included in most baseline patch test series. To investigate the rate of contact allergy to PFR-2 (a mixture of monomers and
Xianxing Jiang et al.
Chemical communications (Cambridge, England), 48(3), 446-448 (2011-11-15)
We present herein for the first time the synthesis and preliminary biological evaluation of various modified chromanes via a rosin-derived tertiary amine-thiourea-catalyzed highly enantioselective Friedel-Crafts alkylation reaction.