ι ι c-c ι /\ ι \ ι HO-C-C— - C - C - O H

ι ι 1 „ < 4 - C y c ! o n e x a n e t f i m e t h a n o l Form* solid Melting point 41-61° C. Isomer coyyiposition 30%c cis; 70%c trans Purity, % 99 Looks like everybody's grot a new diol or two to dangle before chemists working with polyesters or urethane elastomers. Here's another candidate. Consider that rigid ring for instance! ^Supplied as 70% solution i?i methayiol E a s t m a n C h e m i c a l P r o d u c t s , I n c . K i n g s p o r t , T e n n e s s e e B11

^^^^^^^^Τ^Χ^^Χ^Ϊ^^^^.

c c I I C-C-C-C-C-OH

S , 4 - D i m e S h y l p e n t a n o I Form liquid Specific gravity, 20°C 0.8201 Boiling point, 760 mm 158.5-161° C. Color, ΑΡΗ A < 5 The structural formula of this seven carbon alco­hol pretty much tells the story. It 's a high boiling solvent—forms esters with properties intermedi­a te between those of butyls and octyls—and we can make it in volume. E a s t m a n C h e m i c a l P r o d u c t s , I n c . K i n g s p o r t , T e n n e s s e e

ο 11 c c c

C Ο C II ο T e t r a m e t h y l - 1 , 3 - c y c S o b u î a n e d J o n e

Form solid Melting point 115-116°C. (with sublimation) Boiling poitit, 760 ?7im 159°C. Vapor pressure, 87°C 38 mm.

Believe th i s is a f i rs t—from ou r r e sea rch labora­tor ies a 4-carbon r i n g s t r u c t u r e t h r o u g h a com­mercially p rac t i ca l r o u t e . Ask us fo r in fo rmat ion on its cyclic de r iva t ives , chain c leavage compounds, and heterocyclic- possibi l i t ies . (See B15.)

E a s t m a n C h e m i c a l P r o d u c t s , I n c . K ingspor t , T e n n e s s e e Β 1 4

Η OH C G C

c c c ΟΚΓ H

2 , 2 , 4 , 4 - T e t r a m e t h y l 1 , 3 - c y c ! o b u i a n e d i o l

Form Melting point Boiling point, 760 mm. ... . Isomer composition

B 1 2 "SXLZZ

. solid 125-135°C. 210-215°C.

. 50% cis; 50% trci7is An 8-carbon diester of this cyclobutanediol turned out to be about seven times more stable than the same ester of another commercial glycol. This sug­gests a new nucleus for synthetic lubricants. E a s t m a n C h e m i c a l P r o d u c t s , I n c . K i n g s p o r t , T e n n e s s e e B 1 5

I c

\f\nyi I s o b u t y l E t h e r Form Specific gravity, 20°C. Boiling point, 760 mm. Purity, %

. . iiquta 0.7687

S2.9-83.2°C. 98.7

Here's reactivity with a hook to it (isobutyl hook, that is) . Readily polymerizes with styrene, vinyl esters, maleic anhydride, acrylic compounds and many other vinyl monomers. E a s t m a n C h e m i c a l P r o d u c t s , I n c . K i n g s p o r t , T e n n e s s e e

B 1 3

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111Π Β 1 2 Π Β 1 3 Π

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