+I+ ++I+ x-

+I+ ++I+ x-

Received J u n e 25,1976 methoxyaporphine [23, mp 115.5-116 OC (lit.* 8 mp 115.5-116.5 OC)]. The First Documented Reversible Addition of. Allylmagnesium ...

s x I x

of @-naphthol in 25 nil. of 10% sodium hydroxide. A ... able arrangements (I and 11) of the structural units in these polymers are well known. s x I. I ! -I-CH.

s x I x

esters which correspond to the two most prob- able arrangements (I and 11) of the structural units in these polymers are well known. s x I. I ! -I-CH e--- C-CH2--I--.

NOTES I 9 x

STATE COLLEGE, PENNSYLVANIA. RECEIVED APRIL 28,1941. Tracer Studies with Radioactive Carbon: The. Oxidation of Propionic Acid. BY P. NAHINSKY.

X= Cl, Br, I

two-dimensional (2D) InX (X= Cl, Br, I) monolayers are semiconductors with band gaps of 2.59, 2.30, and 2.08 eV, respectively. Remarkably, the band gaps of.

... I c=o x

methyl-T, was incubated with yeast homogenates and the resulting ergosterol rigorously purified] the. T:CI4 ratios of the substrate and product showed.

- I - CH~-~H-X)

METHYL KETONES. 2967. Amino Ketone Rearrangements. 1V.l Thermal Rearrangements of a-Amino Methyl Ketones. CALVIN L. STEVENS, IRWIN L. KLUNDT ...

nopol (6), [ ~ X I ~ ~ ~

May 17, 1988 - ratio of 1:2, provides an equilibrium mixture of mono- and dialkylboranes EapBH, and Eap,BH. With an excess of (-)-2-ethylapopinene (1:lQ ...

x> + > r e x + x + \I

introducing a greater amount of strain energy. A manometer has been designed for t htl nitvisurcmcnt of presww of vapors which. :ire slon.l,v reacti1.e toward, ...

I I I I I I I I I l I I I I

tose gave a bis-p-nitrobenzoate, m. p. 141-142'. Bisdesoxystreptose was oxidized with one mole of periodic acid, and the product hydrolyzed with acid.

+I+ ++I+ x-

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